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. 2024 May 10;60(5):792. doi: 10.3390/medicina60050792

Table 2.

Factors associated with longer breastfeeding period in the univariate and multivariate analyses.

Duration of
breastfeeding period
(0–6 months–
reference;
≥7 months)
OR 95% CI p -value aOR * 95% CI p -value
Variable n % Univariate Analysis Multivariate Analysis
Socio-demographic characteristics
Nationality of mother
Latvian 409 50.3 1.4 1.1–1.8 0.004 1.3 1.0–1.7 0.03
Russian 179 41.7 1 1
Other 84 52.2 1.5 1.0–2.1 0.02 1.5 1.0–2.2 0.04
Year of the last labour
1970–1999 199 40.6 1 1
2000–2023 467 51.9 1.6 1.3–1.9 <0.001 1.2 0.9–1.7 0.2
Income (euro)
0–500 291 45.8 1
501–800 181 48.0 1.1 0.8–1.4 0.5
≥801 151 57.2 1.3 0.9–1.6 0.08
Number of childbirths
One 209 44.2 1 1
Two 315 53.7 1.5 1.2–1.9 0.002 1.5 1.1–1.9 0.003
Three and more 150 43.2 1.0 0.7–1.3 0.8 1.0 0.8–1.5 0.7
Maternal educational level
Primary 36 34.3 1 1
Secondary/vocational 257 40.0 1.6 0.9–2.6 0.1 1.2 0.6–2.3 0.5
University/college 380 57.9 3.2 1.9–5.4 <0.001 2.0 1.0–3.7 0.03
Pregnancy characteristics
Planned pregnancy
Yes 527 49.2 1.3 1.0–1.3 0.08
No 117 43.3 1
Smoking during pregnancy
Yes 38 26.8 1 1
No 628 50.4 2.8 1.9–4.0 <0.001 2.1 1.4–3.3 <0.001
Attended prenatal classes
Yes 211 56.3 1.6 1.2–1.9 <0.001 1.3 0.9–1.7 0.1
No 438 45.1 1 1
Gestational diabetes mellitus and/or hypertension
Yes 83 47.7 1
No 501 48.5 1.0 0.7–1.4 0.8
Childbirth characteristics
Breastfeeding initiation
Immediately after childbirth 430 52.3 2.0 1.5–2.9 <0.001 1.7 1.1–2.4 0.01
At the first day 175 46.1 1.6 1.1–2.3 0.01 1.6 1.2–2.4 0.01
Later 63 35.0 1 1
Partner’s presence on labour
Yes 222 58.3 1.8 1.4–2.3 <0.001 1.3 0.9–1.7 0.09
No 447 43.8 1 1
Postpartum characteristics
Psychological support from partner
Yes 526 49.1 1.1 0.8–1.4 0.3
No 125 46.0 1
Mother’s need of psychological support
Yes 228 49.0 1
No 372 48.2 0.9 0.8–1.2 0.8

Statistically significant results are presented in bold font, p < 0.05. Values are weighted. Abbreviations: CI = confidence interval; OR = odds ratio; aOR = adjusted odds ratio. * aOR: adjusted OR, adjustment was performed by including all statistically significant variables mentioned in the table in one model.