BMC Pulmonary Medicine

Table 2 Multivariable analysis of the associations between physical activity levels and spirometry results in percentage of predicted value, overall and stratified by smoking status, Pneumolaus baseline (2014–2017) and follow-up (2018–2021), Lausanne, Switzerland

From: Physical activity and lung function association in a healthy community-dwelling European population

	All participants			Never or former smokers			Current smokers
	FEV₁% PV	FVC % PV	MMEF % PV	FEV₁% PV	FVC % PV	MMEF % PV	FEV₁% PV	FVC % PV	MMEF % PV
Baseline	N = 1910			N = 1604			N = 306
Inactivity	−0.094	−0.098	−0.033	−0.100	−0.108	− 0.035	−0.065	− 0.049	−0.026
Light PA	0.087	0.080	0.029	0.072	0.070	0.016	0.170	0.143	0.107
Moderate PA	0.080	0.073	0.023	0.060	0.058	0.008	0.208	0.179	0.122
Vigorous PA	0.079	0.072	0.037	0.068	0.067	0.020	0.182	0.125	0.200
Follow-up	N = 1174			N = 1022			N = 152
Inactivity	−0.046	−0.035	−0.018	−0.056	−0.045	− 0.029	0.014	0.032	0.034
Light PA	0.094	0.110	0.007	0.106	0.121	0.004	0.019	0.035	−0.068
Moderate PA	0.089	0.100	0.003	0.097	0.111	−0.002	0.036	0.034	−0.024
Vigorous PA	0.086	0.071	0.052	0.102	0.096	0.046	−0.007	−0.059	0.078

FEV₁ forced expired volume in 1 second, FVC forced vital capacity, MMEF maximal mid-expiratory flow, PA physical activity, PV predicted value. Results are expressed as beta-standardized coefficients. Statistical analysis conducted using multivariable regression adjusting for body mass index (continuous), and for smoking categories (never, former, current) when all participants were considered. Significant (p < 0.05) associations are indicated in bold characters

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