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Table 3 Response rates and PR for response rates by demographic characteristics for the NMS (1995–2018)

From: Trends in response rates and respondent characteristics in five National Maternity Surveys in England during 1995–2018

Year of survey1995a2006201020142018
Number sampledN = 3570N = 4727N = 9851N = 9786N = 15,528
 %PR95%CI%PR95%CI%PR95%CI%PR95%CI%PR95%CI
Age (years)
 16–2451.60.660.61, 0.7050.20.730.68, 0.7837.50.590.56, 0.6331.40.580.54, 0.6316.70.510.46, 0.56
 25–2965.20.830.79, 0.8758.90.860.81, 0.9151.00.810.77, 0.8444.30.820.78, 0.8725.30.770.72, 0.82
 30–3478.768.963.353.832.9
  > = 3581.51.040.98, 1.1068.10.990.94, 1.0565.61.040.99, 1.0855.01.020.97, 1.0836.31.101.04, 1.17
Marital status
 MarriedN/AN/AN/A65.960.553.534.9
 Joint registration (same address)N/AN/AN/A61.30.930.88, 0.9852.40.870.83, 0.9045.80.860.82, 0.9026.70.760.72, 0.81
 Joint registration (different address)N/AN/AN/A44.20.670.60, 0.7534.00.560.51, 0.6227.20.510.46, 0.5613.20.380.33, 0.43
 Sole registrationN/AN/AN/A40.90.620.54, 0.7234.10.560.50, 0.6325.80.480.42, 0.5614.30.410.34, 0.49
Country of birth
 UKN/AN/AN/A65.756.848.731.4
 Not UKN/AN/AN/A45.80.700.65, 0.7546.20.810.78, 0.8541.10.840.80, 0.8923.20.740.70, 0.79
Index of multiple deprivation
 1st (most deprived)N/AN/AN/A46.40.630.59, 0.6840.20.580.55, 0.6233.40.550.52, 0.5917.20.420.39, 0.45
 2ndN/AN/AN/A58.20.790.74, 0.8548.10.700.66, 0.7343.80.720.68, 0.7725.50.620.57, 0.67
 3rdN/AN/AN/A67.80.920.87, 0.9859.40.860.82, 0.9051.30.850.80, 0.9032.20.780.73, 0.84
 4thN/AN/AN/A70.70.960.91, 1.0364.90.940.89, 0.9954.90.910.85, 0.9637.10.900.84, 0.97
 5th (least deprived)N/AN/AN/A73.369.160.641.2
  1. a Data were not available on marital status, country of birth or IMD for non-respondents in the 1995 survey