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Table 5 Adjusted odds ratio of being at a higher WPA level in 2007–08 by characteristics in 1979–80

From: Secular trends and correlates of physical activity: The Tromsø Study 1979-2008

  Adjusted Odds Ratios (95% Confidence Interval)
Model 1a (n = 2859) Model 2b (n = 2854)
Sex
 Women 1.0 1.0
 Men 1.05 (0.89, 1.23) 0.98 (0.83, 1.17)
Age
 20–29 1.25 (1.06, 1.48) 1.12 (0.94, 1.33)
 30–39 1.0 1.0
 40–49 1.16 (0.92, 1.46) 1.14 (0.89, 1.46)
 50–54 0.66 (0.34, 1.29) 0.56 (0.27, 1.18)
BMI (kg/m2)
 < 18.5 0.87 (0.56, 1.36) 0.95 (0.61, 1.47)
 18.5–24.9 1.0 1.0
 25–29.9 1.10 (0.92, 1.32) 1.15 (0.95, 1.39)
 ≥ 30 1.17 (0.73, 1.88) 1.08 (0.65, 1.77)
Education level
 ≤ 9 years 1.0 1.0
 10–12 years 0.45 (0.38, 0.53) 0.63 (0.52, 0.75)
 > 12 years 0.24 (0.20, 0.29) 0.41 (0.33, 0.50)
Smoking
 No 1.0 1.0
 Yes 0.93 (0.80, 1.08) 0.93 (0.79, 1.09)
Self-reported cardiovascular disease
 No 1.0 1.0
 Yes 1.12 (0.13, 9.38) 1.38 (0.12, 15.22)
LTPA
 Inactive   1.0
 Light 1.29 (1.06, 1.56) 1.06 (0.86, 1.29)
 Moderate 1.39 (1.11, 1.75) 1.09 (0.86, 1.39)
 Vigorous 0.93 (0.63, 1.38) 0.87 (0.58, 1.31)
WPA
 Mostly sedentary 1.0 1.0
 Walking   4.59 (3.78, 5.56)
 Walking and lifting   8.87 (6.99, 11.26)
 Heavy manual labour   18.03 (12.38, 26.25)
  1. Age 20–54 years (men) or 20–49 years (women) at baseline
  2. aModel 1: Adjusted for sex, age, BMI, smoking, cardiovascular disease, LTPA, and education level in 1979–80
  3. bModel 2: Model 1 + additional adjustment for baseline WPA in 1979–80
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