Table 2.
Crude analyses of changes of physical activity and lung function parameters in female subjects. Pelotas 1993 Birth Cohort
| Variable | FEV1 (% predicted) |
FVC (% predicted) |
FEV6 (L) |
PEF (L/s) |
||||
|---|---|---|---|---|---|---|---|---|
| β (95% CI) | p value | β (95% CI) | p value | β (95% CI) | p value | β (95% CI) | p value | |
| Changes of total PA (11–15 years) | ||||||||
| Inactive–inactive | Reference | Reference | Reference | Reference | ||||
| Inactive–active | −1.183 (−2.810, .445) | .154 | −.987 (−2.744, .770) | .271 | .036 (−.027, .098) | .267 | .127 (−.004, .258) | .058 |
| Active–inactive | −.352 (−1.846, 1.141) | .643 | .002 (−1.611, 1.615) | .998 | .017 (−.040, .075) | .552 | .014 (−.106, .134) | .816 |
| Active–active | .466 (−1.261, 2.193) | .597 | .991 (−.874, 2.855) | .298 | .054 (−.012, .121) | .111 | .093 (−.046, .232) | .188 |
| Changes of leisure-time PA (11–15 years) | ||||||||
| Inactive–inactive | Reference | Reference | Reference | Reference | ||||
| Inactive–active | .848 (−.862, 2.558) | .331 | .873 (−.971, 2.718) | .353 | .097 (.031, .163) | .004 | .266 (.129, .403) | <.001 |
| Active–inactive | .597 (−.922, 2.117) | .441 | .527 (−1.112, 2.167) | .528 | .055 (−.004, .113) | .067 | .077 (−.045, .199) | .216 |
| Active–active | 1.731 (−.625, 4.088) | .150 | 3.251 (.709, 5.794) | .012 | .113 (.022, .203) | .015 | .123 (−.066, .312) | .202 |
PA = Physical activity; FEV1 = forced expiratory volume in 1 second; FEV6 = forced expiratory volume in 6 seconds; FVC = forced vital capacity; PEF = peak expiratory flow.