Higher Anxiety Predicts Slightly Higher Lack Of Motivation for Population

Higher Anxiety Predicts Slightly Higher Lack Of Motivation for Population

Contents

Variables

A
Anxiety / Nervousness 1826
A
Lack of Motivation 870

Categories

A
Emotions 2028
A
Symptoms 13336

Tags

High Confidence
Weak Effect Size
Positive Relationship
Population Study
cause image gauge image effect image
Participants reported a 14.7% average increase in Lack of Motivation following above average Anxiety.

Abstract

Lack of Motivation was generally 22.8161% higher than average after 2.46 out of 5 of Anxiety per 24 hours.

Aggregated data from 31 study participants suggests with a HIGH degree of confidence (p=0.167, 95% CI -0.48 to 0.957) that Anxiety has a weakly positive predictive relationship (R=0.239) with Lack of Motivation.

The highest quartile of Lack of Motivation measurements were observed following an average 2.76 out of 5 Anxiety.

The lowest quartile of Lack of Motivation measurements were observed following an average 2.47 out of 5 of Anxiety.

After an onset delay of 0 seconds, Lack of Motivation is typically 9% lower than average over the 24 hours following around 2.47 out of 5 of Anxiety Anxiety.

Keywords: Anxiety, Lack of Motivation, N-of-1 trials, real-world evidence, causal inference, observational study

High Confidence: With 31 participants, these findings have strong statistical power.

Results

Primary Findings

Analysis of 890 paired observations from 31 participants revealed a moderate improvement in Lack of Motivation following above-average Anxiety exposure.

+22.8%
Change from Baseline
Moderate effect on Lack of Motivation
0.12
Predictor Impact Score
Weak evidence for causal relationship

Supporting Statistics

High
Confidence
0.239
Correlation (r)
p = 0.123
Significance
z = 0.80
Effect Magnitude
φ = 1.00
Temporality

What This Means

When participants had above-average Anxiety:

  • Lack of Motivation increased by 22.8% on average
  • Temporal analysis supports Anxiety as the predictor (not the outcome)

Interpreting the Predictor Impact Score

The Predictor Impact Score (PIS) integrates multiple Bradford Hill causal criteria into a single metric. Use this guide to interpret the score:

PIS Range Interpretation Recommended Action
≥ 0.5 Strong evidence High priority for RCT validation
0.3 - 0.5 Moderate evidence Consider for experimental investigation
0.1 - 0.3 Weak evidence Monitor for additional data
< 0.1 Insufficient evidence Low priority; may be noise

Note: PIS is a prioritization heuristic, not proof of causation. High scores indicate relationships worth investigating, not confirmed causal effects.

Optimal Daily Values (Precision Dosing)

Based on the observed relationship, we can estimate the predictor values associated with the best and worst outcomes. These values enable personalized dosing recommendations.

ℹ️ Moderate Confidence: Based on 31 participants. Values are reasonably reliable but may refine with additional data.

3.1 /5
Value Predicting Higher Lack of Motivation
Average Anxiety when Lack of Motivation exceeded its mean
2.5 /5
Value Predicting Lower Lack of Motivation
Average Anxiety when Lack of Motivation was below its mean

What This Suggests

Lack of Motivation tended to be highest when Anxiety was around 3.1 /5.

Important: These values reflect correlations, not guaranteed causal effects. Individual responses may vary. Use as a starting point for personal experimentation, not as a definitive prescription. Consult healthcare providers before making treatment decisions.

Population Correlation

Anxiety Distribution

Lack of Motivation Distribution

Statistical Summary

Relationship Statistics

Property Value
Cause Variable Name Anxiety
Effect Variable Name Lack of Motivation
Sinn Predictive Coefficient 0.11828020586211
Confidence Level HIGH
Confidence Interval 0.71839506364346
Forward Pearson Predictive Coefficient 0.2386
Critical T Value 1.7336774193548
Average Anxiety Over Previous 24 hours Before ABOVE Average Lack of Motivation 2.76 out of 5
Average Anxiety Over Previous 24 hours Before BELOW Average Lack of Motivation 2.47 out of 5
Duration of Action 24 hours
Effect Size weakly positive
Number of Paired Measurements 890
Optimal Pearson Product 0.15939433385789
P Value 0.16737093806111
Statistical Significance 0.1229
Strength of Relationship 0.71839506364346
Study Type population
Analysis Performed At 2026-01-04
Number of Participants 31

Anxiety / Nervousness Info

Property Value
Variable Name Anxiety
Aggregation Method MEAN
Analysis Performed At 2022-10-07
Duration of Action 24 hours
Kurtosis 2.033986759222
Maximum Allowed Value 5 out of 5
Mean 3.0756713266762 out of 5
Median 3.0701780313837 out of 5
Minimum Allowed Value 1 out of 5
Number of Aggregate Predictors 1566
Number of Aggregate Outcomes 260
Number of Measurements 13546
Number of Measurements (including those generated by tagged, joined, or child variables) 13546
Public true
Onset Delay 0 seconds
Standard Deviation 0.31892876527387
Unit 1 to 5 Rating
User Variables 998
UPC 0
Variable Category Emotions
Variable ID 5903391
Variance 0.32180906187003

Lack of Motivation Info

Property Value
Variable Name Lack of Motivation
Aggregation Method MEAN
Analysis Performed At 2020-09-15
Duration of Action 24 hours
Kurtosis 2.040505438469
Maximum Allowed Value 5 out of 5
Mean 3.3661459459459 out of 5
Median 3.3524452724453 out of 5
Minimum Allowed Value 1 out of 5
Number of Aggregate Predictors 712
Number of Aggregate Outcomes 158
Number of Measurements 3871
Number of Measurements (including those generated by tagged, joined, or child variables) 3784
Public true
Onset Delay 0 seconds
Standard Deviation 0.42179765402052
Unit 1 to 5 Rating
User Variables 746
UPC 0
Variable Category Symptoms
Variable ID 89387
Variance 0.44483689943851

Introduction

Background

Anxiety (Emotions) and Lack of Motivation (Symptoms) are both important factors in understanding human health and well-being. This study investigates the relationship between these two variables using real-world observational data.

Traditional randomized controlled trials (RCTs), while the gold standard for causal inference, are often impractical, expensive, or unethical for studying many health relationships. Aggregated N-of-1 observational studies offer a complementary approach that leverages within-subject comparisons across large populations to identify meaningful patterns.

Research Question

Does Anxiety affect Lack of Motivation?

Additionally, we seek to determine:

  1. What is the direction and magnitude of any effect?
  2. How confident can we be in this relationship based on the available data?
  3. What are the optimal levels of Anxiety for maximizing Lack of Motivation?

Study Objective

The objective of this study is to determine the nature of the relationship (if any) between Anxiety and Lack of Motivation. Additionally, we attempt to determine the Anxiety values most likely to produce optimal Lack of Motivation values.

Study Overview

This is a population-level observational study using aggregated N-of-1 methodology. By aggregating individual N-of-1 experiments, we can identify population-level patterns while accounting for the substantial individual variation that exists in most health relationships. Effect sizes are reported as percent change from baseline, enabling intuitive interpretation and comparison across different measures.

Full Methodology: Framework for Real-World Evidence-Based Pharmacovigilance: Aggregated N-of-1 Trials for Quantifying Treatment Effects

Discussion

Interpretation of Findings

Participants experienced a 22.8% improvement in Lack of Motivation following above-average Anxiety exposure. The Predictor Impact Score (PIS) of 0.12 indicates weak evidence for a causal relationship.

Statistical Significance

Using a two-tailed t-test with alpha = 0.05, it was determined that the change in Lack of Motivation is not statistically significant at a 95% confidence interval. This suggests that the Anxiety value may not have a significant influence on the Lack of Motivation value, or that more data is needed to detect an effect.

After treatment, a 14.7% increase (0.456 out of 5) from the mean baseline 2.83 out of 5 was observed. The relative standard deviation at baseline was 31.2419%. The observed change was 0.796768 times the standard deviation.

A common rule of thumb considers a change greater than twice the baseline standard deviation on two separate pre-post experiments may be considered significant. This occurrence would have only a 5% likelihood of resulting from random fluctuation (a p-value < 0.05).

T-Test Details
Observed t-value: 1.725
Critical t-value: 1.734

Since t = 1.73 < 1.73, we cannot reject the null hypothesis.

Biological Plausibility

A plausible bio-chemical mechanism between predictor and outcome is critical for interpreting observational findings. This is where human judgment excels beyond statistical analysis.

Based on community responses so far, 1 person feels that there is a plausible mechanism of action and 0 feel that any relationship observed between Anxiety and Lack of Motivation is coincidental.

Bradford Hill Criteria Assessment

The Bradford Hill criteria provide a framework for assessing causality in observational studies. Our methodology operationalizes six of the nine criteria through the Predictor Impact Score (PIS):

Criterion How Addressed Metric
Strength Effect size magnitude Percent change from baseline (Δ%), z-score
Consistency Cross-participant replication Number of users (N), number of pairs (n)
Temporality Predictor precedes outcome Temporality factor (φ), onset delay (δ > 0)
Biological Gradient Dose-response relationship Gradient coefficient (φgradient)
Plausibility Biological mechanism assessment Community votes on mechanism plausibility
Specificity Category appropriateness Interest factor (finterest)

Predictor Impact Score (PIS)

The PIS integrates multiple Bradford Hill criteria into a composite metric quantifying how reliably a predictor affects an outcome. Higher scores indicate stronger evidence:

Population-Level PIS:

$$\text{PIS}_{\text{agg}} = |r_{\text{forward}}| \cdot w \cdot \phi_{\text{users}} \cdot \phi_{\text{pairs}} \cdot \phi_{\text{change}} \cdot \phi_{\text{gradient}}$$

Where φ-factors are saturation functions approaching 1 as evidence accumulates:

  • φusers = 1 - e-N/10 (user saturation)
  • φpairs = 1 - e-n/nsig (pair saturation)
  • φchange = 1 - e-Δspread/Δsig (effect spread saturation)
  • w = weighted average of plausibility votes

Temporality Assessment

We assess evidence for correct causal direction using the temporality factor:

$$\phi_{\text{temporal}} = \frac{|r_{\text{forward}}|}{|r_{\text{forward}}| + |r_{\text{reverse}}|}$$

Values approaching 1 indicate the predictor precedes the outcome (supporting causation); values near 0.5 suggest ambiguous directionality; values near 0 suggest reverse causation or confounding by indication.

Limitations

As with any observational study, correlation does not prove causation. Key limitations include:

  • Unmeasured confounders: Variables not tracked may influence results
  • Self-selection bias: Health trackers may differ from the general population
  • Measurement error: Self-reported data may contain recall bias
  • Confounding by indication: Sicker individuals may use more treatments

However, within-subject comparison and temporal precedence analysis partially mitigate these limitations. If the relationship is merely coincidental, as participants independently modify their Anxiety values, the observed strength will decline over time. Spurious correlations naturally dissipate as more data is collected.

Future Directions

Future research should examine:

  • Subgroup analyses to identify individual differences in response
  • Potential confounders and mediators of the observed relationship
  • Optimal dosing and timing for Anxiety
  • Confirmation through prospective or randomized designs
  • Biological mechanisms underlying the observed effects

Conclusion

Above-average Anxiety was associated with a 22.8% improvement in Lack of Motivation—a moderate effect. The Predictor Impact Score of 0.12 indicates this relationship is warranting continued monitoring.

Bottom Line: Based on a PIS of 0.12 and a 22.8% effect size, this relationship shows weak evidence. Additional observational data is recommended before investing in experimental validation.

These findings contribute to our understanding of how Anxiety may influence Lack of Motivation in real-world conditions. While preliminary, these results may inform future research directions.

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Methods

Study Design

This study is based on data donated by 31 participants. Thus, the study design is equivalent to the aggregation of 31 separate n=1 observational natural experiments.

This within-subject design is powerful because it controls for all stable individual characteristics (genetics, baseline health status, socioeconomic factors) that might otherwise confound the relationship between variables.

Data Analysis

Temporal Assumptions

The analysis incorporates temporal assumptions about the relationship between variables:

  • Onset Delay: It was assumed that 0 seconds would pass before a change in Anxiety would produce an observable change in Lack of Motivation.
  • Duration of Action: It was assumed that Anxiety could produce an observable change in Lack of Motivation for as much as 24 hours after the stimulus event.

Statistical Methods

For each participant, we calculated the Pearson correlation coefficient between Anxiety values and subsequent Lack of Motivation values. Individual correlations were then aggregated using Fisher's z-transformation to produce a population-level estimate:

Individual Correlation:

$$r_i = \frac{\sum(x_{ij} - \bar{x}_i)(y_{ij} - \bar{y}_i)}{\sqrt{\sum(x_{ij} - \bar{x}_i)^2 \sum(y_{ij} - \bar{y}_i)^2}}$$

Fisher's Z-Transformation:

$$z_i = \frac{1}{2} \ln\left(\frac{1 + r_i}{1 - r_i}\right)$$

Aggregated Correlation:

$$\bar{r} = \tanh(\bar{z}) \quad \text{where} \quad \bar{z} = \frac{1}{N}\sum_{i=1}^{N} z_i$$

Effect Size Calculation

Effect sizes are reported as percent change from baseline. For each participant, we compare the outcome following above-average predictor values to the overall baseline outcome:

$$\Delta\%_{\text{baseline}} = \frac{\bar{O}_{\text{follow-up}} - \bar{O}_{\text{baseline}}}{\bar{O}_{\text{baseline}}} \times 100$$

Effect Magnitude (Z-Score)

To assess effect magnitude relative to natural variability, we calculate the z-score:

$$z = \frac{|\Delta\%_{\text{baseline}}|}{\text{RSD}_{\text{baseline}}}$$

where RSDbaseline is the relative standard deviation of outcome during baseline period

A z-score > 2 indicates statistical significance (p < 0.05), meaning the observed change exceeds typical baseline fluctuation and is unlikely due to random variation.

Statistical Significance

Correlation significance is assessed using a two-tailed t-test:

$$t = \frac{r\sqrt{n-2}}{\sqrt{1-r^2}}$$

We reject the null hypothesis (ρ = 0) at α = 0.05 when |t| exceeds the critical value, providing statistical evidence that the observed relationship is not due to chance.

Data Sources

Anxiety data was primarily collected using QuantiModo. QuantiModo allows you to easily track mood, symptoms, or any outcome you want to optimize in a fraction of a second. You can also import your data from over 30 other apps and devices. QuantiModo then analyzes your data to identify which hidden factors are most likely to be influencing your mood or symptoms.

Lack of Motivation data was primarily collected using QuantiModo. QuantiModo allows you to easily track mood, symptoms, or any outcome you want to optimize in a fraction of a second. You can also import your data from over 30 other apps and devices. QuantiModo then analyzes your data to identify which hidden factors are most likely to be influencing your mood or symptoms.

Data Quality

Data quality measures were applied to ensure reliable results:

  • Minimum Data Requirement: Only participants with sufficient paired observations were included in the analysis.
  • Outlier Handling: Extreme values were winsorized to reduce the influence of measurement errors.
  • Missing Data: Days with missing values were handled using appropriate filling strategies based on the variable type.
  • Test User Exclusion: Test accounts and invalid users were excluded from all analyses.

Principal Investigator

Program & Methods

Mike P. Sinn
Sinn, M. P.

Designed and implemented data collection, aggregation, causal inference pipeline, and automated study generation framework. Developed the Predictor Impact Score methodology operationalizing Bradford Hill criteria for ranking causal relationships in observational data. When he tells people this at parties, they usually say they have to go check on their car.

Individual study outputs are automated, reproducible, and open to external audit. (Which I would seriously recommend.)

Contact

Cite This Study

APA Format
Sinn, M. P. (2026). Causal Analysis: Does Anxiety Affect Lack of Motivation?. The Journal of Citizen Science. https://studies.crowdsourcingcures.org/study/cause-5903391-effect-89387-population-study
BibTeX 
@misc{sinn_cause_5903391_effect_89387_population_study_2026,
  author = {Sinn, Mike P.},
  title = {Causal Analysis: Does Anxiety Affect Lack of Motivation?},
  year = {2026},
  publisher = {The Journal of Citizen Science},
  url = {https://studies.crowdsourcingcures.org/study/cause-5903391-effect-89387-population-study},
  note = {Accessed: January 10, 2026}
}
Chicago/Turabian
Sinn, Mike P. "Causal Analysis: Does Anxiety Affect Lack of Motivation?." The Journal of Citizen Science. Accessed January 10, 2026. https://studies.crowdsourcingcures.org/study/cause-5903391-effect-89387-population-study.
Harvard
Sinn, M.P., 2026. Causal Analysis: Does Anxiety Affect Lack of Motivation?. [Aggregated N-of-1 Study] The Journal of Citizen Science. Available at: https://studies.crowdsourcingcures.org/study/cause-5903391-effect-89387-population-study [Accessed January 10, 2026].

Study Type: Aggregated N-of-1 Observational Mega-Study
Evidence Level: Level II (Real-World Evidence)
Methodology: Bradford Hill Criteria with Predictor Impact Score (PIS)

References

This framework was originally developed in 2013 based on the Bradford Hill criteria. Subsequent literature has independently validated similar approaches to causal inference from observational data:

  1. Hill, A.B. (1965). The environment and disease: association or causation? Proceedings of the Royal Society of Medicine, 58(5), 295-300. [Bradford Hill criteria]
  2. Lillie, E.O., et al. (2011). The n-of-1 clinical trial: the ultimate strategy for individualizing medicine? Personalized Medicine, 8(2), 161-173. [N-of-1 methodology]
  3. Pearl, J. (2009). Causality: Models, Reasoning, and Inference . Cambridge University Press. [Causal inference]
  4. Hernán, M.A., & Robins, J.M. (2020). Causal Inference: What If . Chapman & Hall/CRC. [Free textbook]
  5. FDA (2018). Framework for FDA's Real-World Evidence Program . U.S. Food and Drug Administration. [Regulatory context]
  6. Duan, N., et al. (2013). Single-patient (n-of-1) trials: a pragmatic clinical decision methodology . Journal of Clinical Epidemiology, 66(8), S21-S28.
  7. Platt, R., et al. (2018). The FDA Sentinel Initiative—an evolving national resource . New England Journal of Medicine, 379(22), 2091-2093.

This information is for research and educational purposes only, not medical advice. Consult a healthcare provider before making health decisions. Terms of Service

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