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Table 2 Distribution of parents' highest education level by survey mode

From: Non-response to a life course socioeconomic position indicator in surveillance: comparison of telephone and face-to-face modes

  Telephone Face-to-face Face-to-face EWP
  (n = 2999) (n = 2893) (n = 2206)
  % (95% CI) % (95% CI) % (95% CI)
Father's education       
   Completed primary school 19.7 (18.4–21.2) 22.4 (21.0–24.0) 23.7 (22.0–25.6)**
   Some high school 23.2 (21.8–24.8) 22.5 (21.0–24.1) 22.3 (20.6–24.1)
   Completed high school 9.5 (8.5–10.6) 11.8 (10.7–13.0)* 11.2 (9.9–12.6)
   Trade/Diploma 17.8 (16.4–19.2) 17.2 (15.9–18.6) 16.5 (15.0–18.1)
   University degree or higher 9.8 (8.8–10.9) 12.2 (11.0–13.4)* 11.9 (10.6–13.3)
   Other 0.4 (0.2–0.7) 0.2 (0.1–0.5) 0.2 (0.1–0.5)
   Don't know 19.6 (18.2–21.1) 13.7 (12.5–15.0)** 14.1 (12.7–15.6)**
Mother's education       
   Completed primary school 19.8 (18.5–21.3) 24.4 (22.9–26.0)** 25.8 (24.1–27.7)**
   Some high school 28.9 (27.3–30.6) 29.8 (28.2–31.5) 29.8 (27.9–31.7)
   Completed high school 14.8 (13.5–16.1) 16.1 (14.8–17.5) 15.2 (13.7–16.7)
   Trade/Diploma 9.6 (8.6–10.7) 8.8 (7.8–9.9) 8.0 (6.9–9.2)
   University degree or higher 6.5 (5.6–7.4) 8.7 (7.7–9.8)** 8.6 (7.6–9.9)*
   Other 0.3 (0.2–0.6) 0.1 (0.0–0.3) 0.1 (0.0–0.3)
   Don't know 20.1 (18.7–21.6) 12.2 (11.0–13.4)** 12.5 (11.2–14.0)**
  1. * p < 0.01 ** p < 0.001 Statistically significantly different from telephone survey