Table 1.
Demographic characteristics of infants and mothers at baseline. Figures are numbers of infants and mothers unless stated otherwise
| Variable | Treatment (n=78) | Control (n=78) |
|---|---|---|
| Infant | ||
| Mean (SD) age (months) | 8.9 (0.14) | 8.6 (0.10) |
| Boys | 42 | 47 |
| Girls | 41 | 38 |
| Global temperament score: | ||
| Much easier/easier than average | 25 | 31 |
| Average | 37 | 28 |
| More/much more difficult | 14 | 16 |
| Cannot say | 2 | 3 |
| Sleep | ||
| Waking nights per week: | ||
| 0-3 | 2 | 9 |
| 4-6 | 24 | 21 |
| 7 | 52 | 48 |
| Wakings per night: | ||
| 0-1 | 17 | 21 |
| 2 | 27 | 24 |
| 3 | 21 | 17 |
| ⩾4 | 13 | 15 |
| Child settled by adult | 45 | 38 |
| Sleep problem severity score: | ||
| 1-2 (mild) | 9 | 13 |
| 3-4 (moderate) | 32 | 31 |
| 5-7 (severe) | 37 | 33 |
| Mother | ||
| Edinburgh depression scale score: | ||
| Mean (SD) | 9.0 (0.44) | 8.8 (0.49) |
| ⩾10 | 44 | 45 |
| Mean (SD) maternal age (years) | 34.1 (3.6) | 33.3 (5.6) |
| Maternal sleep quantity: | ||
| More than enough/enough | 4 | 6 |
| Not quite enough/not nearly enough | 22 | 21 |
| Maternal sleep quality: | ||
| Very good/fairly good | 8 | 8 |
| Fairly bad/very bad | 19 | 22 |
| Stress rating: | ||
| No stress | 2 | 5 |
| Little/some | 71 | 70 |
| Much stress | 5 | 3 |
| Limits due to physical health problems: | ||
| None | 26 | 24 |
| Few/some | 48 | 47 |
| Many | 4 | 7 |
| Limits due to emotional health problems: | ||
| None | 40 | 47 |
| Few/some | 35 | 29 |
| Many | 3 | 2 |
| Demographic | ||
| Born in Australia: | ||
| Mothers | 63 | 62 |
| Fathers | 59 | 59 |
| English spoken at home | 75 | 77 |
| Marital status: | ||
| Single | 1 | 0 |
| Divorced/separated | 1 | 1 |
| Married/cohabiting | 76 | 77 |
| University education: | ||
| Mothers | 55 | 49 |
| Fathers | 50 | 55 |
| Maternal employment: | ||
| Employed | 24 | 22 |
| Home duties/unemployed | 54 | 56 |