Table 2. Associations between breastfeeding at six weeks and maternal sociodemographic factors, Great Britain, 1985-2010: univariable analysis results.
| Survey years | ||||||||||||
| 1985 | 1990 | 1995 | 2000 | 2005 | 2010 | |||||||
| Population analysed (n) | 3,552 | 3,633 | 3,178 | 2,792 | 4,768 | 7,396 | ||||||
| Numbers breastfeeding at six weeks (a) | 2,459 | 2,617 | 2,340 | 2,112 | 3,705 | 5,922 | ||||||
| % of n breastfeeding at six weeks (b) | 70.1 | 72.8 | 74.0 | 75.5 | 77.6 | 79.9 | ||||||
| OR (c) | 95% CI (d) | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Age when giving birth | ||||||||||||
| Under 20 | 0.20 | 0.14-0.29 | 0.17 | 0.11-0.25 | 0.22 | 0.15-0.35 | 0.33 | 0.23-0.49 | 0.27 | 0.18-0.41 | 0.39 | 0.25-0.61 |
| 20-24 | 0.36 | 0.29-0.44 | 0.37 | 0.29-0.45 | 0.34 | 0.26-0.43 | 0.43 | 0.34-0.55 | 0.47 | 0.38-0.59 | 0.38 | 0.31-0.47 |
| 25-29 | 0.36 | 0.53-0.79 | 0.64 | 0.52-0.76 | 0.50 | 0.40-0.61 | 0.59 | 0.48-0.71 | 0.75 | 0.61-0.91 | 0.61 | 0.53-0.72 |
| 30 or over | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Education - age when completed full-time education | ||||||||||||
| 16 or under (Least number of years of full-time education) | 0.60 | 0.50-0.71 | 0.66 | 0.55-0.79 | 0.66 | 0.54-0.81 | 0.69 | 0.57-0.85 | 0.72 | 0.58-0.89 | 0.93 | 0.75-1.14 |
| 17 or 18 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Over 18 (Higher education) | 2.19 | 1.69-2.84 | 2.15 | 1.67-2.77 | 2.74 | 2.13-3.52 | 2.38 | 1.93-2.94 | 2.06 | 1.70-2.49 | 2.25 | 1.92-2.63 |
| SOC | ||||||||||||
| Managerial and professional | 3.07 | 2.11-4.46 | 2.17 | 1.56-3.02 | 3.20 | 2.13-4.79 | - | - | - | - | - | - |
| Intermediate | 1.98 | 1.58-2.47 | 1.73 | 1.36-2.18 | 2.05 | 1.59-2.64 | - | - | - | - | - | - |
| Skilled, Non-manual | 1.12 | 0.84-1.48 | 1.33 | 0.97-1.82 | 1.24 | 0.88-1.75 | - | - | - | - | - | - |
| Skilled, Manual | 1.00 | 1.00 | 1.00 | - | - | - | - | - | - | |||
| Semi-skilled | 0.81 | 0.63-1.05 | 0.74 | 0.56-0.97 | 1.03 | 0.73-1.45 | - | - | - | - | - | - |
| Unskilled | 0.60 | 0.42-0.86 | 0.86 | 0.49-1.53 | 0.72 | 0.44-1.19 | - | - | - | - | - | - |
| Unclassified | 0.72 | 0.55-0.92 | 0.82 | 0.65-1.03 | 0.87 | 0.67-1.13 | - | - | - | - | - | - |
| NS-SEC | ||||||||||||
| Managerial and professional | - | - | - | - | - | - | 2.75 | 2.20-3.45 | 2.13 | 1.75-2.59 | 1.89 | 1.59-2.24 |
| Intermediate | - | - | - | - | - | - | 1.68 | 1.32-2.14 | 1.38 | 1.10-1.73 | 1.24 | 1.02-1.51 |
| Routine and manual | - | - | - | - | - | - | 1.00 | 1.00 | 1.00 | |||
| Never worked | - | - | - | - | - | - | 1.78 | 1.33-2.39 | 2.40 | 1.62-3.56 | 2.22 | 1.61-3.05 |
| Unclassified | - | - | - | - | - | - | 1.81 | 1.31-2.49 | 2.91 | 1.69-4.99 | 1.68 | 1.26-2.24 |
| Employment status at six weeks after birth | ||||||||||||
| Paid maternity leave | 1.20 | 0.87-1.65 | 1.24 | 1.02-1.51 | 1.10 | 0.92-1.31 | 1.27 | 1.07-1.52 | 0.91 | 0.76-1.08 | 0.86 | 0.73-1.01 |
| Unpaid maternity leave | 1.12 | 0.85-1.49 | 1.38 | 0.97-1.96 | 1.66 | 1.13-2.45 | 1.79 | 1.11-2.87 | 1.09 | 0.68-1.77 | 0.84 | 0.58-1.20 |
| Doing paid work | 0.81 | 0.58-1.13 | 0.98 | 0.72-1.33 | 1.06 | 0.75-1.50 | 0.81 | 0.58-1.13 | 0.96 | 0.58-1.60 | 0.92 | 0.67-1.27 |
| Not doing paid work | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Ethnicity | ||||||||||||
| White | - | - | - | - | - | - | 1.00 | 1.00 | 1.00 | |||
| Black, Asian, Mixed, Multiple or other | - | - | - | - | - | - | 1.75 | 1.29-2.37 | 2.69 | 2.08-3.48 | 2.74 | 2.18-3.45 |
| Partnership status | ||||||||||||
| Married | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Living with a partner | 0.47 | 0.35-0.63 | 0.63 | 0.49-0.81 | 0.65 | 0.51-0.82 | 0.60 | 0.49-0.74 | 0.51 | 0.42-0.61 | 0.53 | 0.45-0.62 |
| Single | 0.44 | 0.34-0.58 | 0.46 | 0.36-0.59 | 0.52 | 0.40-0.67 | 0.41 | 0.32-0.52 | 0.50 | 0.40-0.64 | 0.44 | 0.36-0.56 |
Notes:
(a)
Number of mothers from population of mothers analysed who were breastfeeding at six weeks in each survey, unweighted
(b)
Weighted proportion of mothers from population analysed who were breastfeeding at six weeks in each survey year
(c)
Odds ratio unadjusted for other factors
(d)
CI: confidence interval
Bold figures are statistically significant
p = <0.10 unless indicated by asterisks