Table 1.

Demographic Characteristics of CIC Group vs NC and C Groups

CharacteristicMissing or No Answer %CIC Group (n = 404)NC Group Sig. (2-Tailed)aC Group Sig. (2-Tailed)b
N%c or MeanP (Mean Difference)dP (Mean Difference)d
Age, y15NA67.61                    .292                    .001 (1.19)
Male1418347.3%                    .482                    .02
Living with partner1528069.3%                    .002 (0.113)                    .054
Having ≥1 child1529886.6%                    .003 (0.09)                    .686
Living in urban area1833344.4%                    .07                    .187
Educational level18
   PrimaryNA  19  4.7%                    .233                    .941
   SecondaryNA11328.0%                    .728                    .569
   Vocational trainingNA10526.0%                    .139                    .001 (−0.081)
   Higher educationNA9423.3%                    .705                    .02
Sufficient financial resources2825788.6%                    .004 (.092)                    .981
Not born in the Netherlands13  22  6.3%                    .032                    .979

  • C = colonoscopy; CIC = contraindication no colonoscopy; NA = not applicable; NC = no colonoscopy no contraindication; Sig. = significance level.

  • ↵a Two-tailed independent t test comparing means of CIC group and NC group.

  • ↵b Two-tailed independent t test comparing means of CIC group and C group.

  • ↵c Valid percentages (percentages left when missing data are excluded from the calculation) reported.

  • ↵d Mean difference vs control group stated for variables with a significance level of P < .05.