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Table 2 Knowledge levels at exit (N = 118)

From: Antenatal health promotion via short message service at a Midwife Obstetrics Unit in South Africa: a mixed methods study

  Intervention (n = 57) Control (n = 61) p-value
  [95% CI] or (proportion of correct answers)  
Mean clinic procedures score (max = 6) 3.05 [2.80-3.31] 3.05 [2.77-3.33] 0.99
1. Is it important to attend clinic when you are pregnant?* 57 (100) 61 (100) -
2. Why do the nurses test the blood? 0.61 [0.39-0.84] 0.66 [0.46-0.85] 0.39
3. Should you ask for the results of your pap smear?* 51 (89.47) 53 (86.89) 0.44
4. Why do the nurses test the urine and blood pressure every visit?* 31 (54.39) 32 (52.46) 0.97
Mean general antenatal health score (max = 12) 7.14 [6.44-7.84] 7.34 [6.78-7.90] 0.65
5. How can you stay healthy during pregnancy? 2.28 [1.95-2.61] 2.38 [2.08-2.68] 0.66
6. Why should you take folic acid during your pregnancy?* 23 (40.35) 28 (45.90) 0.49
7. How do drugs and alcohol affect the baby growing in the womb? 1.53 [1.37-1.69] 1.49 [1.34-1.64] 0.75
8. Should you seek medical help outside your appointments? 1.37 [1.17-1.57] 1.36 [1.14-1.58] 0.96
9. What are the signs of labour? 1.56 [1.31-1.81] 1.66 [1.40-1.91] 0.60
Mean overall score 10.19 [9.80-10.58] 10.39 [10.03-10.72] 0.69
  1. *Only one correct answer hence the number of correct answers and in parentheses, the proportion of correct answers, are reported.