Córdoba | Tierra Blanca | Veracruz | Poza Rica | Minatitlán | Total | p | |
---|---|---|---|---|---|---|---|
Demographic characteristics | n = 60 | n = 74 | n = 66 | n = 208 | n = 111 | n = 519 | |
Male, n (%) | 37 (60) | 36 (48) | 44 (67) | 108 (52) | 66 (59) | 291 (56) | |
Female, n (%) | 23 (40) | 38 (52) | 22 (33) | 100 (48) | 45 (41) | 228 (44) | 0.1 |
Age in months (mean ± SE) | 30 ± 4 | 32 ± 4 | 32 ± 5 | 57 ± 3 | 44 ± 4 | 45 ± 2 | <0.005 |
Age in months (median, range) | 16 (1–191) | 16 (1–144) | 16 (1–180) | 43 (3–290) | 24 (0–192) | 26 (0–290) | <0.005 |
Weight (kg ± SE) | 14.6 ± 2 | 13.7 ± 1 | 12 ± 1 | 21 ± 1 | 18 ± 1 | 17 ± 0.7 | <0.005 |
Height (cm ± SE) | 87 ± 3 | 87 ± 3 | 52 ± 1 | 102 ± 2 | 96 ± 3 | 93 ± 1 | <0.005 |
Parental education | n = 60 | n = 71 | n = 18 | n = 211 | n = 111 | n = 461 | |
None, n (%) | 2 (3) | 0 | 0 | 0 | 0 | 2 (0.4) | |
Primary, n (%) | 3 (5) | 8 (11) | 0 | 8 (4) | 5 (4.5) | 24 (5) | |
Middle school, n (%) | 3 (5) | 20 (28) | 2 (17) | 36 (17) | 14 | 75 (16) | 0.001 |
High school, n (%) | 13 (21) | 20 (28) | 4 (33) | 76 (36) | 32 (13) | 142 (31) | |
Bachelor, n (%) | 39 (65) | 22 (31) | 6 (50) | 90 (43) | 57 (51) | 213 (46) | |
Postgraduate, n (%) | 0 | 1 (2) | 0 | 1 (0.5) | 3 (3) | 5 (1) | |
Socioeconomic level | n = 60 | n = 73 | n = 64 | n = 198 | n = 110 | n = 505 | |
Low income, n (%) | 4 (6) | 42 (57) | 1 (1) | 54 (37) | 16 (15) | 117 (23) | 0.000 |
Middle income, n (%) | 56 (93) | 31 (42) | 40 (62) | 144 (73) | 94 (85) | 365 (73) | |
High income, n (%) | 0 | 0 | 23 (36) | 0 | 0 | 23 (4) | |
Risk factors | n = 57 | n = 71 | n = 66 | n = 208 | n = 110 | n = 514 | |
Asthma, n (%) | 3 (5) | 34 (48) | 3 (5) | 27 (13) | 28 (25) | 97 (22) | |
Allergic rhinitis, n (%) | 4 (7) | 13 (18) | 17 (27) | 35 (20) | 58 (53) | 127 (25) | 0.000 |
Complete vaccination scheme, n (%) | 8 (14) | 61 (87) | 33 (100) | 204 (92) | 44 (42) | 333 (71) |