Table 5.

Adjusted 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	.476 (−1.279, 2.231)	.595	1.776 (−.101, 3.653)	.064	.046 (−.025, .117)	.203	−.063 (−.231, 0.1.5)	.462
Active–inactive	−1.184 (−3.016, .648)	.205	−.379 (−2.338, 1.580)	.704	−.009 (−.084, .065)	.802	−.144 (−.319, .031)	.107
Active–active	−1.247 (−2.828, .333)	.122	−.458 (−2.148, 1.232)	.595	−.022 (−.086, .042)	.505	−.040 (−.191, .111)	.604
Changes of leisure-time PA (11–15 years)
Inactive–inactive	Reference		Reference		Reference		Reference
Inactive–active	.204 (−1.339, 1.747)	.796	1.269 (−.381, 2.919)	.132	.040 (−.023, .102)	.212	−.079 (−.227, .068)	.292
Active–inactive	−1.223 (−2.886, .439)	.149	−.635 (−2.413, 1.142)	.484	−.015 (−.082, .052)	.668	−.180 (−.339, −.021)	.027
Active–active	−.912 (−2.436, .613)	.241	−.395 (−2.025, 1.235)	.635	−.009 (−.071, .053)	.772	−.054 (−.199, .092)	.471

Adjusted for family income at birth, maternal schooling at birth, birth weight, smoking during pregnancy, mother's height at birth, height at 15 years, wheezing in past year, body mass index, allergy status, and asthma medication.