Table 3 Baseline demographic variables for infants and parents
From: A randomized controlled trial of an intervention for infants’ behavioral sleep problems
Category | Sleep intervention | Safety control |
|---|---|---|
Infants | n = 117 | n = 118 |
Age, mean (SD), mo | 6.7 (0.92) | 6.8 (0.96) |
Male, No. (%) | 74 (64) | 57 (48)** |
Breastfed, No. (%) | 99 (85) | 113 (96)** |
Parents | n = 229 | n = 233 |
Age, mean (SD), y | 35.5 (5.6) | 35.4 (5.1) |
Married or in stable relationship, No. (%) | 110 (97) | 110 (97) |
Number of children, mean (SD) | 1.3 (0.7) | 1.3 (0.7) |
Education, mean (SD), y | 17 (2.8) | 17 (2.8) |
Family Income, Canadian dollars, No. (%) | ||
$10,000 - 29,999 | 12 (6) | 8 (4) |
$30,000 - 59,999 | 22 (11) | 42 (20) |
$60,000 - $89,999 | 36 (17) | 42 (20) |
$90,000 -109,000 | 56 (27) | 32 (15) |
≥ $110,000 | 81 (39) | 91 (42)a |
Cultural Identity, No. (%)b | ||
Canadian | 111 (50) | 123 (54) |
Chinese | 23 (10) | 19 (8) |
European | 30 (14) | 25 (11) |
South Asian | 21 (9) | 20 (9) |
Other | 38 (17) | 42 (18) |