Table 1.
Socioeconomic, demographic and anthropometric characteristics of the elementary school children, broken down by whether they study at public or private schools. Maceió, Alagoas, Brazil, 2013
| Variables | Total n (%) | Type of school | p | |
|---|---|---|---|---|
| Private n (%) | Public n (%) | |||
| Economic class | ||||
| A | 15 (1.4) | 15 (2.9) | 0 (0.0) | |
| B | 205 (19.3) | 192 (36.4) | 13 (2.4) | |
| C | 485 (45.6) | 260 (49.3) | 225 (42.0) | |
| D | 333 (31.3) | 57 (10.8) | 276 (51.5) | |
| E | 25 (2.4) | 3 (0.6) | 22 (4.1) | |
| D + E | 358 (33.7) | 60 (11.4) | 298 (55.6) | <0,001a |
| Head of household (sex) | ||||
| Male | 531 (62.8) | 287 (69.8) | 244 (56.1) | |
| Female | 315 (37.2) | 124 (30.2) | 191 (43.9) | <0.001 |
| Father in work | ||||
| Yes | 708 (82.3) | 411 (93.6) | 297 (70.5) | |
| No | 152 (17.7) | 28 (6.4) | 124 (29.5) | <0,001 |
| Number of household members | ||||
| <6 | 852 (82.2) | 466 (89.1) | 386 (75.1) | |
| ≥ 6 | 185 (17.8) | 57 (10.9) | 128 (24.9) | <0,001 |
| Color of skin / Ethnicity | ||||
| Brown | 812 (56.2) | 264 (46.5) | 548 (62.4) | |
| White | 427 (29.5) | 261 (46.0) | 166 (18.9) | |
| Black | 175 (12.1) | 26 (4.6) | 149 (17.0) | <0.001b |
| Oriental | 28 (1.9) | 15 (2.6) | 13 (1.5) | |
| Indigenous | 4 (0.3) | 2 (0.3) | 2 (0.2) | |
| Classification of nutritional status by BMI-for-age | ||||
| Overweight (1 < z ≤ 2) | 253 (18.3) | 117 (20.8) | 136 (16.6) | |
| Obese (z > 2) | 213 (15.4) | 125 (22.2) | 88 (10.7) | <0,001 |
| Excess weight (z > 1) | 466 (33.7) | 242 (43.0) | 224 (27.3) | |
| Classification of nutritional status by height-for-age | ||||
| Stunting (z < -2) | 24 (1.7) | 4 (0.7) | 20 (2.3) | 0.016 |
| Birth weight (BW) | ||||
| Low (BW < 2500 g) | 75 (8.4) | 31 (6.7) | 44 (10.3) | 0.051 |
| High (BW ≥ 4000 g) | 69 (7.7) | 43 (9.2) | 26 (6.1) | 0.078 |
N.B. The sum of the total number varies because of data gaps
aA dichotomous analysis was conducted of the highest categories (A + B + C) compared with the lowest categories (D + E)
bA dichotomous analysis was conducted comparing “black” with the sum of the other categories (brown, white, oriental, and indigenous)