Table II.
Personal characteristics and sociodemographics according to distance from the main avenue; Lima, Peru, 2009–2010.
| Distance from road (meters) | ||||||
|---|---|---|---|---|---|---|
| 0 – 199.99 (n=196) |
200 – 399.99 (n=176) |
400 – 649.99 (n=171) |
≥650 (n=182) |
Trend p-value |
||
| Number of adolescents | 196 | 176 | 171 | 182 | ||
| Number of boys (%) | 95 (48%) | 88 (50%) | 76 (44%) | 98 (54%) | 0.511 | |
| Average age (SD) | 14.8 (0.9) | 14.9 (0.9) | 14.9 (0.9) | 14.8 (0.8) | 0.586 | |
| Born in Lima (%) | 192 (98%) | 170 (97%) | 167 (98%) | 169 (93%) | 0.021 | |
| Parents from Lima (%) | 87 (44%) | 66 (38%) | 63 (37%) | 53 (29%) | 0.003 | |
| Parents from highlands (%) | 143 (73%) | 134 (76%) | 132 (77%) | 147 (81%) | 0.07 | |
| Parents from rainforest (%) | 5 (3%) | 7 (4%) | 3 (2%) | 6 (3%) | 0.97 | |
| Income < 175 USD % | 56 (29%) | 38 (22%) | 27 (16%) | 52 (29%) | 0.703 | |
| Maternal education years, Mean (SD) | 8.6 (3.6) | 8.2 (3.8) | 8.5 (3.7) | 7.5 (3.6) | 0.013 | |
| Paternal education years, Mean (SD) | 9.8 (3.1) | 9.9 (3.1) | 10.1 (3.0) | 9.5 (3.0) | 0.601 | |
| Electricity 24 hours % | 195 (99%) | 175 (99%) | 169 (99%) | 182 (100%) | 0.812 | |
| Water 24 hours (%) | 179 (91%) | 175 (99%) | 160 (94%) | 153 (84%) | 0.063 | |
| Hygienic services in home (%) | 185 (94%) | 176 (100%) | 167 (98%) | 170 (93%) | 0.451 | |
| Rooms in household (SD) | 4.8 (1.7) | 5.2 (1.9) | 4.8 (1.7) | 4.6 (1.5) | 0.054 | |
| People per room (SD) | 1.3 (0.9) | 1.3 (0.7) | 1.4 (0.9) | 1.4 (0.9) | 0.491 | |
| Concrete floor (%) | 77 (39%) | 70 (40%) | 63 (37%) | 62 (34%) | 0.246 | |
| Unprocessed concrete floor (%) | 81 (42%) | 61 (35%) | 73 (43%) | 71 (39%) | 0.986 | |
| Computer (%) | 51 (26%) | 49 (28%) | 53 (31%) | 27 (15%) | 0.033 | |
| Smoking in home (%) | 29 (15%) | 28 (16%) | 29 (17%) | 24 (13%) | 0.296 | |
| Landline (%) | 130 (66%) | 107 (61%) | 116 (68%) | 93 (51%) | 0.014 | |
| Cellular telephone (%) | 168 (86%) | 149 (85%) | 154 (90%) | 157 (86%) | 0.542 | |
| Owns dogs (%) | 112 (57%) | 104 (59%) | 93 (54%) | 104 (57%) | 0.786 | |
| Owns cats (%) | 87 (44%) | 64 (36%) | 73 (43%) | 96 (53%) | 0.062 | |
| Cockroaches present in home in past month (%) | 117 (60%) | 98 (56%) | 110 (64%) | 121 (66%) | 0.086 | |
| Time spent in house (%) | ||||||
| 0–6 | 0 (0%) | 0 (0%) | 1 (1%) | 1 (1%) | 0.199 | |
| 7–10 | 2 (1%) | 2 (1%) | 7 (4%) | 7 (4%) | 0.026 | |
| 11–15 | 46 (23%) | 47 (27%) | 49 (29%) | 56 (31%) | 0.1 | |
| 16+ | 148 (76%) | 127 (72%) | 114 (67%) | 118 (65%) | 0.13 | |
| Height (SD) | ||||||
| Male | 162.9 (6.9) | 161.4 (7.6) | 163.5 (7.7) | 160.5 (7.1) | 0.077 | |
| Female | 152.5 (5.9) | 152.7 (5.0) | 153.3 (5.8) | 152.8 (5.1) | 0.463 | |
| Weight (SD) | ||||||
| Male | 58.3 (13.1) | 55.9 (9.3) | 57.3 (11.4) | 55.4 (10.9) | 0.179 | |
| Female | 51.5 (8.5) | 53.1 (10.3) | 52.6 (11.1) | 51.1 (7.0) | 0.916 | |
| BMI (SD) | ||||||
| Male | 21.8 (3.6) | 21.1 (2.8) | 21.3 (3.0) | 21.4 (3.6) | 0.555 | |
| Female | 22.1 (3.4) | 22.7 (3.8) | 22.3 (4.1) | 21.9 (2.8) | 0.672 | |