Table 3 Zero-Inflated Poisson analysis predicting participant goal meeting and excess zeros predicted by logistic regression
From: Evaluating Active U: an internet-mediated physical activity program
Met Goals | ||||
|---|---|---|---|---|
Zero-Inflated Poisson Regression Predicting Count | Predicting Excess Zeros | |||
IRR | P | OR | P | |
Gender | ||||
Female | Ref | Ref | ||
Male | 0.98 | 0.25 | 1.47 | < .001 |
Age | ||||
18 - 29 | Ref. | Ref. | ||
30 - 39 | 1.04 | 0.24 | 0.78 | 0.01 |
40 - 49 | 1.12 | < .001 | 0.79 | 0.02 |
50 - 59 | 1.22 | < .001 | 0.67 | < .001 |
60 - 69 | 1.19 | < .001 | 0.64 | 0.01 |
70+ | 1.44 | 0.01 | 0.69 | 0.54 |
Employment Type | ||||
Faculty | 0.93 | 0.04 | 1.13 | 0.24 |
Staff | Ref. | Ref. | ||
Graduate Students | 0.90 | 0.04 | 1.83 | < .001 |
Health Status | ||||
Poor | 0.90 | 0.29 | 1.23 | 0.46 |
Fair | 1.02 | 0.60 | 1.39 | 0.002 |
Good | Ref. | Ref. | ||
Very Good | 1.00 | 0.84 | 0.90 | 0.14 |
Excellent | 0.97 | 0.29 | 0.97 | 0.78 |
BMI | ||||
< 20 | 1.04 | 0.30 | n.s. | |
20 - 24.9 | Ref. | Ref. | ||
25 - 29.9 | 0.95 | 0.02 | n.s. | |
30 - 34.9 | 0.97 | 0.25 | n.s. | |
≥ 35 | 0.90 | 0.01 | n.s. | |
Baseline Physical Activity | ||||
Sedentary | Ref. | Ref. | ||
Active | 1.00 | 0.98 | 1.15 | 0.07 |
Team Participation | ||||
Individual | Ref. | Ref. | ||
Team with 2-4 People | 1.01 | 0.92 | 0.54 | 0.005 |
Team with ≥ 5 People | 1.28 | < .001 | 0.18 | < .001 |