Wave1 (2006–2008) | Wave2 (2009–2011) | Wave3 (2012–2014) | Wave4 (2015–2017) | P for trend | |
---|---|---|---|---|---|
Participants (n) | 2215 | 1242 | 1833 | 1218 | |
Age (year) | 38.0 ± 0.2 | 39.6 ± 0.3 | 42.7 ± 0.3 | 46.2 ± 0.3 | < 0.001 |
Female (%) | 52.7 | 54.0 | 52.4 | 51.1 | 0.001 |
Waist (cm) | 88.2 ± 0.2 | 91.8 ± 0.3 | 92.5 ± 0.3 | 93.6 ± 0.3 | < 0.001 |
Body mass index (kg/m2) | 26.5 ± 0.1 | 27.0 ± 0.1 | 27.4 ± 0.1 | 27.7 ± 0.1 | < 0.001 |