Table 1 Sample size calculation for determinants of low-birth-weight among women delivered at Tirunesh Beijing General Hospital, Addis Ababa, Ethiopia
Variables | Percent of controls exposed | Adjusted odds ratio | Sample size Cases/controls [Total] | References |
|---|---|---|---|---|
Gestational age | 55.8 | 5.32 | 31/63 [94] | [14] |
Chronic diabetes | 85.7 | 0.27 | 29/59 [88] | |
Signs of pregnancy complication | 48.3 | 2.7 | 61/122 [183] | |
Sex of newborn | 13.5 | 2.1 | 161/321 [482] | [15] |
Maternal age | 51.2 | 3.1 | 50/101 [151] | [16] |
Residence | 51.9 | 2.1 | 106/211 [317] | |
Maternal education | 3.9 | 6.0 | 57/113 [170] | |
Folate supplementation | 29 | 5.48 | 22/44 [66] | [17] |