Table 2

Logistic regression models for physical activity and risk of psychological distress (GHQ-12 score ⩾4)

Cases/total N 3200/19 842Age adjusted OR (95% CI)Model 1 OR (95% CI)Model 2 OR (95% CI)
Domestic activity sessions
    <1/week2293/132321.001.001.00
    1–3/week660/49020.74 (0.67 to 0.81)0.74 (0.67 to 0.81)0.76 (0.69 to 0.84)
    ⩾4/week247/17080.80 (0.70 to 0.92)0.80 (0.69 to 0.92)0.84 (0.72 to 0.98)
    Test for trendp<0.001p<0.001p<0.001
Walking activity sessions
    <1/week1875/107461.001.001.00
    1–3/week511/35780.78 (0.70 to 0.87)0.79 (0.71 to 0.88)0.87 (0.78 to 0.97)
    ⩾4/week814/55180.81 (0.74 to 0.89)0.79 (0.73 to 0.87)0.87 (0.79 to 0.95)
    Test for trendp<0.001p<0.001p = 0.003
Sports activity sessions
    <1/week2639/152071.001.001.00
    1–3/week445/35400.66 (0.59 to 0.73)0.67 (0.60 to 0.74)0.76 (0.67 to 0.84)
    ⩾4/week116/10950.53 (0.43 to 0.64)0.56 (0.46 to 0.68)0.67 (0.54 to 0.82)
    Test for trendp<0.001p<0.001p<0.001
All activity sessions
    ⩽3.5/week1058/48031.001.001.00
    3.51–5.00/week1019/67690.61 (0.55 to 0.67)0.60 (0.55 to 0.67)0.67 (0.61 to 0.75)
    5.01–6.75/week470/32190.57 (0.51 to 0.65)0.57 (0.50 to 0.66)0.67 (0.59 to 0.76)
    >6.75/week653/50510.48 (0.43 to 0.54)0.49 (0.43 to 0.54)0.59 (0.52 to 0.66)
    Test for trendp<0.001p<0.001p<0.001
  • Model 1: adjustment for age, gender, social economic group and marital status.

  • Model 2: adjustment for age, gender, social economic group, marital status, body mass index category, long-standing illness, smoking, survey year and mutual adjustment for all types of activity.