Table 1. Unadjusted characteristics of men and women born between 1934 and 1967 (aged 36–69 in SAMINOR 1) with information about weight and waist circumference in SAMINOR 1 (2003–2004) who were included and not included, respectively, in the follow up from SAMINOR 1 to SAMINOR 2 (2012–2014).
Figures are means (standard deviation) or % (number of participants). The SAMINOR Study (n = 6257).
| Included in the follow-up | Not included in the follow-up | p-value | ||
|---|---|---|---|---|
| Men | ||||
| No. of participants | 1538a | 1398a | ||
| Age (years) | 52.8 (8.5) | 51.6 (9.2) | < 0.001 | |
| Married (%) | 65.0 (999) | 55.2 (771) | < 0.001 | |
| Living with a partner (%) | 79.5 (1063) | 73.4 (788) | < 0.001 | |
| No. of persons in the household | 2.9 (1.4) | 2.8 (1.5) | 0.04 | |
| Sami ethnicity (%) | 41.0 (631) | 32.8 (441) | < 0.001 | |
| High income (%)b | 39.7 (568) | 33.0 (410) | < 0.001 | |
| Years of education (years) | 11.4 (3.7) | 11.2 (3.6) | 0.1 | |
| Good/very good health (%) | 73.6 (1120) | 67.9 (938) | < 0.001 | |
| History of myocardial infarction (%) | 3.5 (51) | 5.7 (76) | 0.004 | |
| History of angina pectoris (%) | 4.4 (65) | 8.1 (108) | < 0.001 | |
| Diabetes (%) | 3.0 (44) | 4.0 (53) | 0.1 | |
| Ever use of drugs for hypertension (%) | 19.8 (302) | 19.7 (269) | 0.9 | |
| Ever use of drugs for high cholesterol (%) | 15.7 (236) | 17.4 (238) | 0.2 | |
| Inactive (%)c | 20.1 (289) | 24.3 (313) | 0.009 | |
| Smoking | ||||
| Current (%) | 28.8 (440) | 39.0 (539) | < 0.001 d | |
| Ex-smoker (%) | 41.1 (629) | 34.3 (474) | ||
| Never (%) | 30.1 (460) | 26.8 (370) | ||
| Alcohol consumption > once a month | 51.8 (782) | 52.4 (713) | 0.8 | |
| Weight (kg) | 82.8 (12.6) | 83.3 (14.2) | 0.3 | |
| Waist circumference (cm) | 92.8 (9.7) | 93.4 (10.9) | 0.1 | |
| Women | ||||
| No. of participants | 1958a | 1363a | ||
| Age (years) | 52.1 (8.6) | 51.6 (9.7) | 0.1 | |
| Married (%) | 66.6 (1304) | 58.8 (802) | < 0.001 | |
| % Living with a partner (%) | 79.9 (1356) | 75.0 (832) | 0.003 | |
| No. of persons in the household | 2.8 (1.4) | 2.8 (1.4) | 0.09 | |
| Sami ethnicity (%) | 40.4 (789) | 29.2 (383) | < 0.001 | |
| High income b | 34.5 (591) | 28.7 (333) | 0.001 | |
| Years of education (years) | 11.7 (4.0) | 11.4 (4.1) | 0.06 | |
| Good/very good health | 70.0 (1348) | 63.9 (852) | < 0.001 | |
| History of myocardial infarction (%) | 0.8 (14) | 1.9 (24) | 0.005 | |
| History of angina pectoris (%) | 3.0 (56) | 4.5 (58) | 0.03 | |
| Diabetes (%) | 3.4 (64) | 5.5 (71) | 0.005 | |
| Ever use of drugs for hypertension (%) | 20.8 (403) | 23.5 (315) | 0.07 | |
| Ever use of drugs for high cholesterol (%) | 12.6 (241) | 15.9 (212) | 0.007 | |
| Inactive (%)c | 21.1 (379) | 24.5 (301) | 0.03 | |
| Smoking | ||||
| Current (%) | 30.3 (589) | 40.4 (546) | < 0.001 d | |
| Ex-smoker (%) | 31.5 (613) | 26.5 (358) | ||
| Never (%) | 38.2 (744) | 33.0 (446) | ||
| Alcohol consumption > once a month | 36.3 (693) | 32.8 (428) | 0.04 | |
| Weight (kg) | 70.7 (12.2) | 71.7 (13.5) | 0.02 | |
| Waist circumference (cm) | 84.7 (11.5) | 85.6 (12.3) | 0.03 |
a Due to some missing values for most variables (except age, sex, weight and waist circumference), the number of participants included in most analyses is lower.
b Yearly gross household income > 450 000 NOK
c Typical leisure time physical activity includes only reading, watching TV and other sedentary activities. No regular physical activity (like walking) > 4 hours a week.
d p-value for linear trends over the smoking categories