Characteristics (889) | n | Porto Velho (382) | n | Porto Alegre (507) | p-value |
---|---|---|---|---|---|
% (95% CI) | % (95% CI) | ||||
Sociodemographic characteristics | |||||
 Chronological age | |||||
  12–13 years | 94 | 36.51 (34.62–38.45) | 97 | 30.22 (28.24–32.27) | < 0.001 |
  14 years | 74 | 19.83 (18.68–21.02) | 117 | 17.75 (17.12–18.39) | |
  15–17 years | 214 | 43.66 (42.19–45.14) | 293 | 52.03 (50.47- 53.59) | |
 Ethnicity | |||||
  White | 120 | 27.77 (23.14–32.92) | 359 | 67.27 (58.5–74.97) | < 0.001 |
  Black | 13 | 3.14 (1.8–5.41) | 38 | 11.54 (7.31–17.74) |  |
  Other | 238 | 69.09 (63.27–74.37) | 104 | 21.2 (15.88–27.7) |  |
 Economic class | |||||
  A | 22 | 6.51 (3.4–11.79) | 76 | 17.36 (9.26–30.17) | 0.019 |
  B | 171 | 57.83 (47.84–67.22) | 227 | 59.12 (50.54–67.18) |  |
  C/D | 93 | 35.66 (25.66–47.09) | 89 | 23.52 (17.81–30.4) |  |
Reproductive characteristics | |||||
 Age at menarche | |||||
  9–12 years | 278 | 76.42 (71.88–80.43) | 382 | 79.95 (75.44–83.81) | 0.241 |
  13–16 years | 104 | 23.58 (19.57–28.12) | 125 | 20.05 (16.19–24.56) | |
 Time of menarche | |||||
  < 2 years | 91 | 32.34 (28.36–36.59) | 91 | 25.47 (20.01–31.83) | 0.069 |
  ≥ 2 years | 291 | 67.66 (63.41–71.64) | 416 | 74.53 (68.17–79.99) | |
Behavioral characteristics | |||||
 Smoking | |||||
  Yes | 71 | 17.4 (13.6–22) | 147 | 30.08 (23.83–37.17) | 0.001 |
  No | 311 | 82.6 (78–86.4) | 360 | 69.92 (62.83–76.17) | |
 Alcohol | |||||
  Yes | 181 | 47.01 (42.06–52.02) | 381 | 79.51 (72.78–84.92) | 0.001 |
  No | 173 | 52.99 (47.98–57.94) | 97 | 20.49 (15.08–27.22) | |
 Screen hours | |||||
  < 2 h/day | 177 | 54.5 (47.56–61.27) | 133 | 31.21 (25.56–37.49) | < 0.001 |
  ≥ 2 h/day | 172 | 45.5 (38.73- 52.44) | 327 | 68.79 (62.51–74.44) | |
 Physical activity | |||||
  Active | 156 | 44.16 (36.44–52.17) | 186 | 34.34 (28.48–40.73) | 0.053 |
  Inactive | 205 | 55.84 (47.83–63.56) | 301 | 65.66 (59.27–71.52) | |
Nutritional status | |||||
 Nutritional status (%) | |||||
  Low weight and normal weight | 294 | 77.11 (69.17–83.49) | 345 | 65.68 (58.59–72.13) | 0.028 |
  Overweight/obesity | 88 | 22. 89 (16.51–30.83) | 162 | 34.32 (27.87–41.41) | |
 Waist circumference | |||||
  Normal | 332 | 87.93 (81.66–92.26) | 423 | 84.39 (80.17–87.85) | 0.296 |
  Elevated | 50 | 12.07 (7.74–18.34) | 84 | 15.61 (12.15–19.83) |
Diet | Â | Mean (standard error) | Â | Mean (standard error) | Â |
---|---|---|---|---|---|
Energy (Kcal) | Â | 2238.617 (85.43) | Â | 1923.761 (60.83) | 0.005 |
Omega-6: omega-3 ratio | Â | 8.21 (0.20) | Â | 8.97 (0.40) | 0.099 |
Trans-fat | Â | 0.91 (0.77) | Â | 1.26 (0.63) | 0.001 |