Table 2.
Change in Physical Activity (MET-hrs/wk) from Pre- to Postintervention According to Intervention Arm; The B.A.B.Y. Study, 2007–2010
| Exercise arm (n = 58)
|
Health & wellness arm (n = 52)
|
P-valuea | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Preintervention
|
Postintervention
|
Change
|
Preintervention
|
Postintervention
|
Change
|
||||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| Summary scores | |||||||||||||
| Total MET-hrs/wk | 49.2 | 21.5 | 48.1 | 21.7 | −1.0 | 20.8 | 52.9 | 26.3 | 42.9 | 18.2 | −10.0 | 20.4 | 0.03 |
| By intensity | |||||||||||||
| Sedentary | 9.9 | 5.7 | 9.5 | 5.4 | −0.4 | 5.2 | 10.4 | 4.9 | 9.2 | 4.4 | −1.3 | 4.4 | 0.35 |
| Light | 19.1 | 8.9 | 20.4 | 9.1 | 1.3 | 9.8 | 21.8 | 11.4 | 19.6 | 9.4 | −2.2 | 9.8 | 0.06 |
| Moderate | 19.8 | 14.7 | 17.7 | 12.9 | −2.1 | 14.8 | 20.5 | 16.4 | 14.0 | 10.3 | −6.5 | 13.7 | 0.11 |
| Vigorous | 0.4 | 0.9 | 0.5 | 0.9 | 0.1 | 0.9 | 0.1 | 0.3 | 0.1 | 0.3 | 0.0 | 0.4 | 0.32 |
| Moderate + vigorous | 20.2 | 14.9 | 18.2 | 13.1 | −2.0 | 14.6 | 20.7 | 16.5 | 14.1 | 10.4 | −6.5 | 13.8 | 0.10 |
| By type | |||||||||||||
| Household/care-giving | 20.7 | 13.2 | 20.6 | 10.2 | −0.2 | 12.5 | 24.8 | 15.6 | 20.6 | 12.0 | −4.1 | 13.9 | 0.11 |
| Occupational | 14.2 | 12.5 | 11.2 | 12.7 | −3.1 | 14.8 | 13.0 | 14.9 | 8.8 | 10.1 | −4.2 | 11.4 | 0.65 |
| Sports/exercise | 1.9 | 2.2 | 2.8 | 2.2 | 0.9 | 2.2 | 1.6 | 1.4 | 1.6 | 1.9 | 0.0 | 2.0 | 0.02 |
| Transportation | 5.4 | 3.8 | 6.4 | 5.7 | 1.0 | 6.0 | 6.4 | 5.9 | 5.6 | 4.9 | −0.8 | 6.5 | 0.12 |
a
P-values calculated from 2 sample t tests for continuous variables.