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. 2017 Sep 6;19(9):e312. doi: 10.2196/jmir.7449

Table 2.

Sample description (N=8062). In case of missing values, the number of missing values (Nmissing) was presented. By reporting 2 decimal points for the percentages, summing the percentages for each category up may differ from 100%.

Variables Intervention (ntotal=3995), n (%) Control (ntotal=4067), n (%) Total (Ntotal=8062), n (%)
Age in years, n (%) 43.70 (4.27) 43.58 (4.22) 43.64 (4.25)
Country of Birth, n (%) Nmissing=4 (0.10) Nmissing=4 (0.10) Nmissing=8(0.10)

The Netherlands 3715 (92.99) 3777 (92.87) 7492 (92.93)

Other 276 (6.91) 286 (7.03) 562 (6.97)
Religion, n (%) Nmissing=7 (0.18) Nmissing=6 (0.15) Nmissing=13 (0.16)

Protestant 753 (18.85) 737 (18.12) 1490 (18.48)

Not protestant 3235 (80.98) 3324 (81.73) 6559 (81.36)
Educational level, n (%) Nmissing=4 (0.10) Nmissing=3 (0.07) Nmissing=7 (0.09)

Low 588 (14.72) 540 (12.28) 1128 (13.99)

Middle 1736 (43.45) 1735 (42.66) 3471 (43.05)

High 1660 (41.55) 1786 (43.91) 3446 (42.74)
HPVa vaccination uptake, n (%) 2923 (73.17) 2957 (72.71) 5880 (72.93)

aHPV: human papillomavirus.