Univariate analysis | Multivariate analysisa | ||||
---|---|---|---|---|---|
Relative risk (95% CI) | P-value | Relative risk (95% CI) | P-value | ||
Acute respiratory infection | |||||
Breast milk vitamin B12 status | |||||
Adequate intake (≥ 310 pmol/L) | 146 | Ref | Ref | ||
Less than adequate intake (< 310 pmol/L) | 345 | 1.04 (0.93, 1.17) | 0.49 | 1.01 (0.90, 1.14) | 0.85 |
Quartiles of breast milk vitamin B12 (pmol/L) | |||||
Q4 (more than or equal 339) | 122 | Ref | 0.95 | Ref | 0.75 |
Q3 (206–338) | 125 | 1.04 (0.90, 1.20) | 1.01 (0.87, 1.17) | ||
Q2 (169–205) | 127 | 0.95 (0.82, 1.11) | 0.93 (0.80, 1.08) | ||
Q1 (less than 169) | 116 | 1.04 (0.89, 1.20) | 1.00 (0.86, 1.16) |
Diarrheal disease | Univariate analysis | Multivariate analysis (N = 471)b | |||
---|---|---|---|---|---|
Incidence rate ratio (95% CI) | P-value | Incidence rate ratio (95% CI) | p-value | ||
Breast milk vitamin B12 status | |||||
Adequate intake (≥ 310 pmol/L) | 139 | Ref | Ref | ||
Less than adequate intake (< 310 pmol/L) | 325 | 0.99 (0.90, 1.08) | 0.77 | 0.95 (0.86, 1.05) | 0.30 |
Quartiles of Breast milk vitamin B12 (pmol/L) | |||||
Q4 (more than or equal 339) | 117 | Ref | 0.54 | Ref | 0.06 |
Q3 (206–338) | 115 | 0.94 (0.83, 1.06) | 0.95 (0.84, 1.07) | ||
Q2 (169–205) | 123 | 1.07 (0.95, 1.21) | 1.02 (0.91, 1.15) | ||
Q1 (less than 169) | 109 | 0.91 (0.80, 1.03) | 0.85 (0.75, 0.97) |