Table 2.
Associations between breastfeeding at 6 weeks and maternal sociodemographic factors, Great Britain, 1985–2010: univariable analysis results.
| Survey years | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 1990 | 1995 | 2000 | 2005 | 2010 | |||||||
| Population analysed (n) | 3552 | 3633 | 3178 | 2792 | 4768 | 7396 | ||||||
| Numbers breastfeeding at 6 weeks (a) | 2459 | 2617 | 2340 | 2112 | 3705 | 5922 | ||||||
| % of n breastfeeding at 6 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 6 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 |
(a) Number of mothers from population of mothers analysed who were breastfeeding at 6 weeks in each survey, unweighted.
(b) Weighted proportion of mothers from population analysed who were breastfeeding at 6 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.
Dash (-) = factor not assessed by the IFS in that survey year.