Skip to main content

Table 1 Sample distribution and prevalence 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

Variable N Precontemplation (%) Contemplation (%) Preparation (%) Action (%) Maintenance (%)
Sex   p = 0.5* p = 0.002* p = 0.001* p = 0.004* p < 0.001*
   Male 1378 39.0 10.8 16.6 3.9 29.7
   Female 1758 37.7 14.8 21.7 6.2 19.6
Skin color   p = 0.03* p = 0.5* p = 0.4* p = 0.3* p = 0.6*
   White 2634 37.3 13.3 19.7 5.4 24.3
   Non-white 502 43.2 11.8 17.9 4.2 22.9
Age (years)   p < 0.001** p < 0.001** p = 0.01** p < 0.001** p = 0.9**
   20–29 747 27.2 16.1 20.6 8.0 28.1
   30–39 611 38.6 15.9 19.2 6.7 19.6
   40–49 661 41.6 11.2 23.8 3.9 19.5
   50–59 520 39.4 12.3 17.3 3.1 27.9
   60–69 342 40.9 12.9 16.1 3.5 26.6
   ≥ 70 255 55.7 3.9 14.5 2.8 23.1
Marital status   p = 0.002* p = 0.2* p = 0.7* p = 0.2* p = 0.05*
   Without a partner 1168 34.4 13.9 19.8 5.9 26.0
   With a partner 1968 40.6 12.5 19.3 4.7 22.9
Education level (years)   p < 0.001** p < 0.001** p < 0.001** p < 0.001** p < 0.001**
   0 209 59.3 5.7 16.3 1.9 16.8
   1–4 574 53.1 11.7 12.4 2.8 20.0
   5–8 1005 45.7 12.1 18.4 4.7 19.1
   9–11 824 26.8 15.8 21.6 6.7 29.1
   ≥ 12 522 17.4 14.9 27.2 7.7 32.8
Economic status   p < 0.001** p = 0.1** p < 0.001** p < 0.001** p < 0.001**
   A (wealthiest) 161 15.5 14.3 23.6 9.9 36.7
   B 824 26.2 14.4 24.2 7.4 27.8
   C 1295 41.3 12.9 18.3 4.5 23.0
   D 762 50.4 11.4 16.2 3.0 19.0
   E 73 47.9 12.3 11.0 4.1 24.7
Family income (quintiles)   p < 0.001** p = 0.04** p = 0.007** p = 0.02** p < 0.001**
   1 (lower) 577 48.0 10.2 16.5 5.2 20.1
   2 621 47.8 11.4 18.7 3.4 18.7
   3 676 38.8 15.4 17.6 3.8 24.4
   4 581 34.9 13.3 20.7 6.0 25.1
   5 660 23.7 14.2 23.5 7.4 31.2
Smoking   p < 0.001* p = 0.3* p = 0.05* p = 0.09* p < 0.001*
   Non-smoker 1634 33.8 13.5 20.6 6.1 26.0
   Former smoker 664 36.9 11.3 19.9 3.9 28.0
   Current smoker 838 48.1 13.5 16.8 4.4 17.2
BMI (kg/m2)   p = 0.001** p = 0.08** p < 0.001** p = 0.7** p = 0.3**
   < 18.5 75 62.6 14.7 6.7 2.7 13.3
   18.5 a 24.9 1393 39.3 11.9 17.7 5.5 25.6
   25.0 a 29.9 1092 34.6 13.8 21.4 4.7 25.5
   ≥ 30.0 471 34.4 15.1 24.6 5.9 20.0
Self-reported health status   p < 0.001** p = 0.2** p = 0.4** p = 0.02** p < 0.001**
   Excellent 412 27.7 11.4 19.9 4.8 36.2
   Very good 419 27.0 13.1 20.3 9.1 30.5
   Good 1428 40.3 13.0 19.5 4.7 22.5
   Regular 723 44.0 13.5 19.5 4.7 18.3
   Poor 154 52.6 14.9 15.6 2.0 14.9
Total 3136 38.3 13.0 19.5 5.2 24.0
  1. § Percent values in the rows must add 100%.
  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.