Risk factor characteristics for 50-year-old women in the Prospective Population Study of Women in Gothenburg born in 1918, 1930, 1942 and 1954
| Year of birth | 1918 | 1930 | 1942 | 1954 | P values |
| N=398 Mean (SD) | N=355 Mean (SD) | N=99 Mean (SD) | N=291 Mean (SD) | ||
| Age (year) | 50.5 (0.18) | 50.6 (0.23) | 50.7 (0.24) | 50.6 (0.31) | |
| SBP (mm Hg) | 138 (21.8) | 135 (20.6) | 134 (20.8) | 128 (17.0) | <0.001* |
| WHR (cm/cm) | 0.75 (0.05) | 0.81 (0.07) | 0.81 (0.07) | 0.83 (0.07) | <0.001* |
| BMI (kg/m2) | 24.8 (3.81) | 24.7 (4.04) | 25.0 (4.01) | 24.8 (4.22) | 0.83* |
| SEP† n (%) | |||||
| I | 48 (12.5) | 30 (9.9) | 8 (8.2) | 96 (33.8) | <0.001‡ |
| II | 165 (42.9) | 156 (51.3) | 58 (59.8) | 97 (34.2) | |
| III | 172 (44.7) | 118 (38.8) | 31 (32.0) | 91 (32.0) | |
| Smoking n (%) | 148 (37.2) | 145 (40.8) | 34 (34.3) | 67 (23.9) | <0.001‡ |
| Phys. Act§ n (%) | 326 (82.1) | 241 (67.9) | 78 (78.8) | 239 (83.3) | <0.001‡ |
| Blood glucose (mmol/L) | 4.2 (0.93) | 4.1 (0.46) | 4.3 (0.89) | 4.8 (0.62) | <0.001* |
| Serum cholesterol (mmol/L) | 7.2 (1.09) | 6.5 (1.14) | 5.8 (0.98) | 5.3 (1.01) | <0.001* |
| Serum triglycerides (mmol/L) | 1.3 (0.58) | 1.2 (0.58) | 1.2 (0.60) | 1.0 (0.54) | <0.001* |
P<0.05 indicates significant difference between cohorts.
*Test of linear association.
†SEP=socioeconomic position level I–II–III.
‡χ2 test
§Phys. Act=physically active >4 hours/week.
BMI, body mass index; SBP, systolic blood pressure; WHR, waist–hip ratio.