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Table 1 Child health and family demographic characteristics of study sample

From: Dose of early intervention treatment during children’s first 36 months of life is associated with developmental outcomes: an observational cohort study in three low/low-middle income countries

Characteristica Inclusion in analysis - n (%) Total p-valueb
  Yes No   
Enrolled - N 145 59 204 --
Male gender- n/N (%) 78/141 (55.3) 34/59 (57.6) 112/200 (56.0) 0.7643
Birth weight (grams) - N 139 59 198 0.1109
 1500 - 2499 30 (21.6) 13 (22.0) 43 (21.7)  
 2500 - 2999 51 (36.7) 30 (50.8) 81 (40.9)  
 ≥ 3000 58 (41.7) 16 (27.1) 74 (37.4)  
Gestational age-mean (std) 37.9 (2.0) 37.8 (1.9) 37.9 (2.0) 0.7804
 Preterm (<37 mos.) - n/N (%) 40/142 (28.2) 16/59 (27.1) 56/201 (27.9) 0.8798
 Resuscitated - n/N (%) 59/145 (40.7) 19/59 (32.2) 78/204 (38.2) 0.2581
Prenatal care visits-N 145 59 204 0.0151
 0 35 (24.1) 4 (6.8) 39 (19.1)  
 1-3 48 (33.1) 22 (37.3) 70 (34.3)  
 4 or more 62 (42.8) 33 (55.9) 95 (46.6)  
Weight for age and sex at 12 mos-N 137 43 180 0.0407
 <5th % tile for age in months 40 (29.2) 20 (46.5) 60 (33.3)  
 5th-14th % tile for age in months 16 (11.7) 7 (16.3) 23 (12.8)  
 > = 15th % tile for age in months 81 (59.1) 16 (37.2) 97 (53.9)  
Immunization complete 12 mos-n/N (%) 106/142 (74.6) 41/43 (95.3) 147/185 (79.5) 0.0032
Maternal Age (Years)- Mean (Std) 25.5 (5.7) 24.3 (4.0) 25.1 (5.3) 0.0844
Maternal schooling completed-N 136 58 194 0.5144
 None and illiterate 68 (50.0) 25 (43.1) 93 (47.9)  
 Literate or primary schooling 36 (26.5) 20 (34.5) 56 (28.9)  
 Literate and some secondary schooling 32 (23.5) 13 (22.4) 45 (23.2)  
Parity (including child enrolled in study) - Mean (Sd) 3.1 (2.2) 2.4 (1.3) 2.9 (2.0) 0.0110
Family Resources Index (# items present in home) - N 145 59 204 <.0001
 0-1 55 (37.9) 11 (18.6) 66 (32.4)  
 2-4 49 (33.8) 40 (67.8) 89 (43.6)  
 5+ 41 (28.3) 8 (13.6) 49 (24.0)  
  1. aMeasured at enrollment unless otherwise indicated.
  2. bDifferences in mean values for continuous variables were tested using t-tests and categorical measures were tested using chi-square and Fisher exact tests; bold indicates significant p < .05.