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Table 4 Adjusted odds ratio of being at a higher WPA level by characteristics and survey

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

  Adjusted Odds Ratios (95% Confidence Interval)
1979–80 (n = 14,045) 1986–87 (n = 18,535) 1994–95 (n = 20,066) 2001 (n = 3567) 2007–08 (n = 7834)
Sex
 Women 1.0 1.0 1.0 1.0 1.0
 Men 1.31 (1.22, 1.41) 1.22 (1.16, 1.30) 1.05 (0.99, 1.11) 0.92 (0.81, 1.06) 0.90 (0.82, 0.98)
Age
 20–29 1.34 (1.24, 1.44) 1.44 (1.34, 1.55) 1.24 (1.13, 1.35)   
 30–39 1.0 1.0 1.0 1.0 1.0
 40–49 0.91 (0.83, 0.98) 0.73 (0.68, 0.79) 0.77 (0.72, 0.83) 0.74 (0.60, 0.90) 0.93 (0.77, 1.14)
 50–59 0.74 (0.64, 0.87) 0.75 (0.69, 0.83) 0.65 (0.60, 0.71) 0.55 (0.44, 0.69) 0.81 (0.66, 1.00)
 60–69   0.66 (0.53, 0.81) 0.77 (0.68, 0.87) 0.50 (0.41, 0.63) 0.71 (0.58, 0.87)
 70–79    1.12 (1.00–1.26)   
 80–89a      
BMI (kg/m2)
 < 18.5 1.03 (0.85, 1.26) 0.99 (0.81, 1.21) 0.82 (0.64, 1.03) 1.14 (0.50, 2.59) 1.37 (0.75, 2.50)
 18.5–24.9 1.0 1.0 1.0 1.0 1.0
 25–29.9 1.04 (0.96, 1.12) 1.06 (0.99, 1.13) 1.00 (0.95, 1.06) 1.04 (0.90, 1.20) 0.96 (0.87, 1.06)
 ≥ 30 1.18 (0.99, 1.40) 1.05 (0.92, 1.20) 1.01 (0.92, 1.11) 0.85 (0.70, 1.03) 0.95 (0.83, 1.08)
Education level
 ≤ 9 years 1.0 1.0 1.0 1.0 1.0
 10–12 years 0.39 (0.36, 0.43) 0.43 (0.40, 0.46) 0.42 (0.39, 0.44) 0.55 (0.47, 0.65) 0.53 (0.47, 0.60)
 > 12 years 0.19 (0.18, 0.21) 0.23 (0.21, 0.25) 0.20 (0.18, 0.21) 0.28 (0.23, 0.33) 0.21 (0.18, 0.23)
Smoking
 No 1.0 1.0 1.0 1.0 1.0
 Yes 1.15 (1.08, 1.23) 1.14 (1.08, 1.21) 1.11 (1.05, 1.18) 1.13 (0.98, 1.30) 1.24 (1.11, 1.39)
Cardiovascular disease
 No 1.0 1.0 1.0 1.0 1.0
 Yes 0.71 (0.49, 1.02) 0.62 (0.51, 0.77) 1.03 (0.91, 1.18) 0.79 (0.60, 1.05) 1.02 (0.84, 1.25)
LTPAb
 Inactive 1.0 1.0 1.0 1.0 1.0
 Light 1.43 (1.32, 1.55) 1.50 (1.40, 1.60) 0.97 (0.91, 1.05) 1.55 (1.32, 1.83) 1.36 (1.21, 1.53)
 Moderate 1.64 (1.48, 1.82) 2.01 (1.83, 2.20) 1.00 (0.93, 1.07) 1.94 (1.55, 2.42) 1.53 (1.32, 1.77)
 Vigorous 1.32 (1.08, 1.60) 1.86 (1.56, 2.23) 1.42 (1.29, 1.55) 1.73 (1.07, 2.81) 1.33 (0.95, 1.85)
Self-perceived healthc
 Very bad   1.0   1.0 1.0
 Bad   1.25 (0.68, 2.33)   1.19 (0.60, 2.36) 2.07 (0.58, 7.39)
 Neither good nor bad   2.24 (1.23, 4.09)    2.98 (0.86, 10.37)
 Good   2.24 (1.23, 4.08)   1.06 (0.54, 2.10) 2.77 (0.80, 9.65)
 Excellent   2.10 (1.15, 3.82)   0.92 (0.46, 1.86) 2.55 (0.73, 8.92)
  1. Adjusted for sex, age, BMI, smoking, cardiovascular disease, LTPA, education level, and self-perceived health
  2. aFew people reported WPA
  3. bIn 1994–95, a different LTPA was used (Hard physical activity 0, <1, 1–2, ≥3 h/week)
  4. cIn 2001, the alternatives were “poor”, “not so good”, “good”, and “very good”
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