Table 4.
Crude analyses of changes of physical activity and lung function parameters in male 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 | .668 (−1.174, 2.511) | .477 | 1.771 (−.133, 3.675) | .068 | .032 (−.073, .137) | .552 | −.069 (−.270, .132) | .501 |
| Active–inactive | −.853 (−2.776, 1.070) | .384 | −.217 (−2.204, 1.770) | .830 | .055 (−.055, .164) | .326 | −.064 (−.273, .146) | .549 |
| Active–active | −1.143 (−2.799, .512) | .176 | −.656 (−2.367, 1.054) | .452 | −.066 (−.160, .028) | .168 | −.097 (−.278, .083) | .291 |
| Changes of leisure-time PA (11–15 years) | ||||||||
| Inactive–inactive | Reference | Reference | Reference | Reference | ||||
| Inactive–active | .272 (−1.353, 1.897) | .743 | 1.236 (−.443, 2.915) | .149 | .022 (−.070, .115) | .634 | −.102 (−.279, .075) | .258 |
| Active–inactive | −1.416 (−3.168, .335) | .113 | −.888 (−2.698, .923) | .336 | −.020 (−.119, .080) | .702 | −.205 (−.396, −.015) | .035 |
| Active–active | −.823 (−2.426, .781) | .315 | −.490 (−2.148, 1.167) | .562 | −.044 (−.135, .048) | .349 | −.102 (−.277, .072) | .252 |
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.