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Table 2 Baseline characteristics of the study population. HUNT2 1995–97, Norway

From: Mortality in persons with undetected and diagnosed hypertension, type 2 diabetes, and hypothyroidism, compared with persons without corresponding disease - a prospective cohort study; The HUNT Study, Norway

Disease status N Age, years mean (SD) Women,% BMI, kg/m2 mean (SD) Smoker, % Higher education, % Long-term illness, % Daily physical activity, % Serum cholesterol, mmol/L (SD) Serum creatinine, μmol/L (SD)
Daily Ex
Hypothyroidism women
 No 19,387 58.3 (13.5) 26.8 (4.5) 28.3 23.1 15.3 43.1 42.9 6.3 (1.3) 83 (13)
    Undetected 151 61.4 (13.0) 28.0 (4.8) 17.2 29.7 13.7 38.7 45.7 6.8 (1.5) 86 (11)
 Diagnosed 1631 57.1 (15.1) 27.9 (5.1) 24.0 27.7 17.8 54.0 41.4 6.3 (1.3) 84 (14)
Hypothyroidism men
 No 10,510 57.6 (13.4) 26.8 (3.5) 29.4 40.5 18.7 42.4 56.0 6.1 (1.1) 96 (17)
    Undetected 23 60.7 (13.8) 26.7 (2.4) 17.4 47.8 4.4 57.1 61.1 6.2 (1.0) 111 (28)
 Diagnosed 258 59.6 (15.9) 27.7 (4.0) 23.1 47.8 19.1 54.7 52.0 5.9 (1.2) 100 (16)
Type 2 diabetes mellitus
 No 35,164 50.0 (17.1) 53.0 26.4 (4.0) 30.1 27.0 19.4 35.2 55.3 5.9 (1.3) 88 (15)
    Undetected 1022 64.4 (14.4) 42.5 28.4 (4.8) 24.1 36.4 9.0 54.9 40.4 6.4 (1.2) 93 (17)
 Diagnosed 1771 67.0 (13.4) 51.8 29.1 (4.8) 17.6 36.7 9.6 66.9 34.0 6.2 (1.3) 94 (26)
Hypertension
 No 33,368 42.3 (14.1) 57.9 25.4 (3.6) 32.9 23.8 25.6 26.4 60.9 5.5 (1.2) 85 (13)
    Undetected 18,079 56.6 (16.4) 44.2 27.1 (3.9) 26.9 30.0 14.3 40.1 52.2 6.3 (1.2) 90 (14)
 Diagnosed 11,924 61.4 (14.9) 52.2 28.3 (4.4) 21.3 34.3 12.0 52.8 41.5 6.3 (1.3) 93 (21)
Missing   None None None 2.1% 5.2% 4.1% 14.2% 0.2% 0.2%
  1. Mean with standard deviation (SD) for age in years, body mass index (BMI) in kilograms per meter2, serum cholesterol in mmol/L, and serum creatinine in μmol/L. Proportion in per cent of women, daily and ex-smokers, participants with higher education (>12 years), long-term limiting illness or injury, and daily physical activity. Participants with missing data were excluded