Table 4 Univariate and multivariable logistic regression for determinants of whether or not MBF for the first 6 months
6-month mostly breastfeeding rate | N (%) | Univariate analysis | Multivariable Logistic Regression | |||||
|---|---|---|---|---|---|---|---|---|
Non-MBF | MBF | P value | 95% CI for OR | |||||
(N = 662) | (N = 1138) | (T = 1800) | OR | Lower | Upper | P value | ||
Infant born before/during lockdown? | 1800 (100) | 0.003 | ||||||
born before lockdown | 479 (39.1) | 746 (60.9) | ref | |||||
born during lockdown | 184 (31.9) | 392 (68.1) | 1.43 | 1.08 | 1.90 | 0.012 | ||
Maternal age (years)a | 1764 (98) | 31.8 ± 4.3 | 31.2 ± 4.1 | 0.000 | 0.96 | 0.93 | 0.99 | 0.011 |
Total years of maternal full-time education | 1769 (98.3) | 15.4 ± 2.5 | 15.3 ± 2.6 | 0.620 | 1.02 | 0.96 | 1.07 | 0.618 |
Household annual income in CNY | 1417 (78.7) | 0.781 | ||||||
< 200,000 | 239 (37.2) | 404 (62.8) | ref | |||||
200,000-300,000 | 161 (39.2) | 250 (60.8) | 0.94 | 0.69 | 1.29 | 0.700 | ||
> 300,000 | 135 (37.2) | 228 (62.8) | 1.36 | 0.96 | 1.93 | 0.089 | ||
Maternal social class b | 1706 (94.8) | 0.233 | ||||||
IV & V | 185 (35.1) | 342 (64.9) | ref | |||||
III | 197 (35.6) | 357 (64.4) | 1.08 | 0.76 | 1.53 | 0.666 | ||
I & II | 247 (39.5) | 379 (60.5) | 0.77 | 0.55 | 1.07 | 0.113 | ||
Building living c | 1627 (90.4) | 0.204 | ||||||
Bungalow | 5 (55.6) | 4 (44.4) | ref | |||||
T apartment without garden | 79 (33.5) | 157 (66.5) | 3.82 | 0.66 | 22.13 | 0.134 | ||
T apartment with garden | 119 (33.2) | 239 (66.8) | 4.75 | 0.83 | 27.16 | 0.080 | ||
B apartment no garden | 83 (36.4) | 145 (63.6) | 3.67 | 0.64 | 21.21 | 0.146 | ||
B apartment with garden | 302 (39.4) | 465 (60.6) | 2.82 | 0.50 | 15.84 | 0.240 | ||
Villa with garden | 9 (30) | 21 (70) | 3.53 | 0.50 | 25.18 | 0.208 | ||
whether had support from families/friends after birth | 1797 (99.8) | 0.360 | ||||||
No | 36 (41.4) | 51 (58.6) | ref | |||||
Yes | 625 (36.5) | 1086 (63.5) | 1.95 | 1.06 | 3.59 | 0.032 | ||
Enough infant feeding support? | 1784 (99.1) | 0.053 | ||||||
not enough | 23 (50) | 23 (50) | ref | |||||
enough | 628 (36.1) | 1111 (63.9) | 1.44 | 0.69 | 3.03 | 0.334 | ||
Enough support with own health? | 1686 (93.7) | 0.060 | ||||||
not enough | 68 (43.3) | 89 (56.7) | ref | |||||
enough | 548 (35.8) | 982 (64.2) | 1.42 | 0.90 | 2.24 | 0.135 | ||
Contact with a health professional (/week) | 1776 (98.7) | 0.050 | ||||||
Never | 428 (38.9) | 673 (61.1) | ref | |||||
1–3 times/week | 183 (34.3) | 351 (65.7) | 1.05 | 0.77 | 1.43 | 0.759 | ||
4+ times/week | 43 (30.3) | 99 (69.7) | 1.12 | 0.65 | 1.94 | 0.684 | ||
Discuss health issues in mothers’ group online (/week) | 1778 (98.8) | 0.040 | ||||||
Never | 305 (39.9) | 459 (60.1) | ref | |||||
1–3 times/week | 251 (35.6) | 455 (64.4) | 1.23 | 0.91 | 1.68 | 0.177 | ||
4+ times/week | 99 (32) | 210 (68) | 1.66 | 1.09 | 2.53 | 0.019 | ||
Mode of delivery | 1796 (99.8) | 0.000 | ||||||
Vaginal | 387 (33.4) | 772 (66.6) | ref | |||||
Caesarean | 275 (43.1) | 363 (56.9) | 0.77 | 0.59 | 1.01 | 0.059 | ||
whether COVID impacted birth location | 1782 (99) | 0.584 | ||||||
Yes | 41 (34.5) | 78 (65.5) | ref | |||||
No | 615 (37) | 1049 (63) | 1.67 | 0.96 | 2.90 | 0.067 | ||
COVID impact on purchasing daily necessities | 1785 (99.2) | 0.355 | ||||||
Moderate-great impact | 294 (35.6) | 532 (64.4) | ref | |||||
Little or no impact | 362 (37.7) | 598 (62.3) | 0.80 | 0.61 | 1.04 | 0.096 | ||