Table 4.
Parameter estimates of fixed effects for the primary outcome variable ‘proportion of time in an upright posture’
| Parameter | Estimate | 95% Confidence interval | P value | |
|---|---|---|---|---|
| Lower | Upper | |||
| Intercept | 37.2 | 8.4 | 65.9 | 0.015 |
| Gender | ||||
| Female | −6.3 | −26.6 | 14.0 | 0.482 |
| Male | 0a | |||
| Duration (min) | −1.0 | −5.7 | 3.6 | 0.661 |
| Setting | ||||
| Bed: knee height | −15.2 | −41.8 | 11.4 | 0.257 |
| Bed: thigh height | −7.0 | −35.0 | 21.0 | 0.618 |
| Bed: hip height | 12.8 | −18.1 | 43.6 | 0.412 |
| Bathroom: standing | −25.7 | −38.1 | −13.3 | <0.001 |
| Bathroom: kneeling | −6.4 | −18.8 | 6.0 | 0.308 |
| Bathroom: sitting | 0a | |||
| Age (years) | ||||
| <30 | 14.4 | −5.4 | 34.2 | 0.127 |
| 30–45 | 11.1 | −7.7 | 29.9 | 0.201 |
| >45 | 0a | |||
aReference category (parameter set to zero).