Table 4.
Determinants of website use of a workplace health promotion program.
| Characteristics | Website use month 1-3 after invitations to fill out questionnaire (n=630)c |
Website use month 4-12 after invitations to fill out questionnaire (n=729) |
|||
| univariate | multivariate | univariate | multivariate | ||
| OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | ||
| Demographics | |||||
| Male gender | 0.88 (0.71-1.11) | 0.87 (0.69-1.09) | 1.09 (0.78-1.52) | ||
| Age <30 years | 1.00 | 1.00 | 1.00 | 1.00 | |
| Age 30-39 years | 1.05 (0.74-1.51) | 1.06 (0.74-1.52) | 0.90 (0.50-1.61) | 0.85 (0.47-2.20) | |
| Age 40-49 years | 1.31 (0.92-1.88) | 1.32 (0.92-1.89) | 1.15 (0.66-2.00) | 1.12 (0.64-1.98) | |
| Age ≥50 years | 1.14 (0.80-1.63) | 1.18 (0.82-1.70) | 1.25 (0.72-2.18) | 1.24 (0.70-1.52) | |
| Education high | 1.00 | 1.00 | |||
| Education intermediate | 0.86 (0.67-1.11) | 0.96 (0.66-1.40) | |||
| Education low | 0.73a (0.54-0.97) | 0.83 (0.53-1.30) | |||
| Non-Dutch ethnicity | 0.96 (0.70-1.31) | 0.82 (0.51-1.33) | |||
| Unmarried / not cohabiting | 1.06 (0.81-1.38) | 0.86 (0.58-1.29) | |||
| Lifestyle factors | |||||
| <30min/day PA | 1.03 (0.81-1.31) | 1.04 (0.73-1.48) | |||
| <3x 20min/day vigorous PA | 1.11 (0.87-1.41) | 0.83 (0.59-1.18) | |||
| <400gr/day fruit & vegetables | 0.86 (0.69-1.07) | 0.83 (0.59-1.16) | |||
| Current smoker | 0.71a (0.53-0.95) | 0.72a (0.54-0.96) | 0.64 (0.39-1.04) | 0.66 (0.40-1.08) | |
| Excessive alcohol intake | 1.01 (0.50-2.05) | 0.87 (0.29-2.59) | |||
| BMI < 25 kg/m2 | 1.00 | 1.00 | |||
| 25 kg/m2 ≤ BMI < 30 | 1.08 (0.84-1.40) | 1.03 (0.56-1.91) | |||
| BMI ≥ 30 kg/m2 | 1.19 (0.76-1.86) | 0.96 (0.52-1.77) | |||
| Health indicators | |||||
| Elevated blood pressure | 1.13 (0.87-1.46) | 1.13 (0.79-1.61) | |||
| Poor predicted Vo2max | 0.75 (0.53-1.08) | 0.99 (0.59-1.65) | |||
| Elevated total cholesterol | 1.04 (0.81-1.32) | 0.84 (0.59-1.18) | |||
| Decreased general health | 0.83 (0.51-1.34) | 0.97 (0.48-1.96) | |||
| Work-related factors | |||||
| Physical job demands | 1.00 (0.73-1.36) | 0.99 (0.71-1.36) | 0.57a (0.33-0.97) | 0.59 (0.34-1.02) | |
a P<0.05, analyses adjusted for company
b BMI, blood pressure, maximum oxygen uptake, and cholesterol level are only available for the participants in the physical health check (n=807)
c for one company (executive branch of government) no information was available for website use in the first three months of the study.