Skip to main content

Table 3 Adjusted multinomial analysis of the stages of change for physical activity according to the covariates§. Pelotas, Brazil, 2005.

From: Stages of change for physical activity in adults from Southern Brazil: a population-based survey

Level Variable Contemplation PR (95%CI) Preparation PR (95%CI) Action PR (95%CI) Maintenance PR (95%CI)
1 Sex p = 0.001* p = 0.006* p = 0.006* p < 0.001*
     Male 0.69 (0.55–0.86) 0.75 (0.61–0.92) 0.60 (0.42–0.86) 1.51 (1.27–1.80)
     Female 1.00 1.00 1.00 1.00
1 Skin color p = 0.121* p = 0.077* p = 0.056* p = 0.105*
     White 1.38 (0.92–2.06) 1.33 (0.97–1.83) 1.68 (0.99–1.85) 1.28 (0.95–1.72)
     Non-white 1.00 1.00 1.00 1.00
1 Age (years) p < 0.001** p < 0.001** p < 0.001** p = 0.016**
     20–39 2.73 (1.84–4.05) 2.01 (1.47–2.76) 3.89 (2.14–7.09) 1.39 (1.05–1.85)
     40–59 1.58 (1.08–2.32) 1.68 (1.25–2.26) 1.45 (0.78–2.70) 1.13 (0.87–1.47)
     ≥ 60 1.00 1.00 1.00 1.00
1 Marital status p = 0.033* p = 0.060* p = 0.018* p = 0.001*
     Without a partner 1.24 (1.02–1.51) 1.23 (0.99–1.52) 1.53 (1.08–2.17) 1.45 (1.17–1.78)
     With a partner 1.00 1.00 1.00 1.00
2 Education level (years) p < 0.001** p < 0.001** p < 0.001** p < 0.001**
     0–4 1.00 1.00 1.00 1.00
     5–8 1.13 (0.83–1.53) 1.47 (1.08–2.01) 1.51 (0.78–2.89) 1.13 (0.86–1.48)
     9–11 1.99 (1.39–2.86) 2.54 (1.73–3.71) 2.23 (1.17–4.23) 2.61 (1.89–3.61)
     ≥ 12 2.72 (1.68–4.41) 4.02 (2.58–6.26) 3.30 (1.59–6.84) 3.99 (2.61–6.10)
2 Economic status p = 0.248** p = 0.004** p < 0.001** p = 0.246**
     A/B (wealthiest) 1.35 (0.85–2.15) 1.71 (1.19–2.46) 3.14 (1.79–5.51) 1.29 (0.85–1.96)
     C 0.96 (0.65–1.42) 1.06 (0.78–1.44) 1.32 (0.80–2.18) 1.03 (0.77–1.39)
     D/E 1.00 1.00 1.00 1.00
2 Family income (quintiles) p = 0.004** p = 0.305** p = 0.949** p < 0.001**
     1 (lower) 1.00 1.00 1.00 1.00
     2 1.17 (0.80–1.72) 1.21 (0.89–1.65) 0.60 (0.32–1.12) 1.02 (0.73–1.40)
     3 1.84 (1.28–2.64) 1.19 (0.83–1.71) 0.69 (0.35–1.36) 1.44 (1.01–2.05)
     4 1.54 (1.00–2.38) 1.18 (0.78–1.78) 0.75 (0.38–1.48) 1.39 (0.97–1.99)
     5 1.97 (1.21–3.23) 1.31 (0.983–2.07) 0.94 (0.43–2.05) 1.84 (1.29–2.64)
3 Smoking p = 0.760* p = 0.034* p = 0.449* p < 0.001*
     Non-smoker 1.09 (0.81–1.47) 1.32 (1.01–1.71) 1.36 (0.84–2.20) 1.68 (1.28–2.20)
     Former smoker 1.15 (0.78–1.70) 1.51 (1.10–2.09) 1.26 (0.68–2.33) 1.89 (1.38–2.59)
     Current smoker 1.00 1.00 1.00 1.00
3 BMI (kg/m2) p < 0.001** p < 0.001** p = 0.039** p = 0.396**
     < 25.0 0.54 (0.37–0.79) 0.53 (0.37–0.76) 0.52 (0.29–0.95) 0.93 (0.66–1.32)
     25.0 a 29.9 0.85 (0.59–1.23) 0.78 (0.57–1.07) 0.65 (0.37–1.12) 1.11 (0.79–1.56)
     ≥ 30.0 1.00 1.00 1.00 1.00
4 Self-reported health status p = 0.089** p = 0.923** p = 0.679** p = 0.001**
     Excellent/very good 0.76 (0.54–1.06) 1.02 (0.73–1.44) 1.08 (0.66–1.75) 1.71 (1.25–2.34)
     Good 0.72 (0.53–0.98) 0.91 (0.68–1.23) 0.83 (0.51–1.36) 1.13 (0.88–1.45)
     Regular/poor 1.00 1.00 1.00 1.00
  1. § Precontemplation stage is the base-outcome.
  2. Criterion of Brazilian Economic Classification [17].
  3. BMI had 3.3% of missing values; the other variables had less than 1%.
  4. * Wald test for heterogeneity.
  5. ** Wald test for linear trend.