Knowledge of human papillomavirus infection and its prevention among adolescents and parents in the greater Milan area, Northern Italy

Table 1 Distribution of parents by gender, age and selected socio-demographic characteristics

	Mothers (n = 1225)		Fathers (n = 1093)		All (n = 2331)^a
	No.	%	No.	%	No.	%
Age (years)
<40	93	7.6	37	3.4	130	5.6
40-44	348	28.4	173	15.8	521	22.4
45-49	488	39.8	390	35.7	885	38.0
≥50	282	23.0	476	43.5	759	32.5
Missing values	14	1.2	17	1.6	36	1.5
Mean age ± SD (years)	46.1 ± 5.6		49.1 ± 5.6		47.5 ± 5.4
Education
Middle school diploma	176	14.4	222	20.3	398	17.1
High school diploma	564	46.0	406	37.0	973	41.7
Degree	475	38.8	462	42.4	944	40.5
Missing values	10	0.8	3	0.3	16	0.7
No. of children
1	292	23.8	249	22.8	544	23.3
2	681	55.6	610	55.8	1296	55.6
3	198	16.2	180	16.5	380	16.4
≥4	50	4.1	52	4.8	103	4.4
Missing values	4	0.3	2	0.1	8	0.3
Age of child(ren) involved in the study ^b (years)
<12	143	11.7	118	10.8	261	11.2
12-13	262	21.4	236	21.6	501	21.5
14-15	303	24.7	278	25.4	582	25.0
16-17	384	31.3	337	30.8	725	31.1
≥18	112	9.2	105	9.7	220	9.4
Missing values	21	1.7	19	1.7	42	1.8
Gender of child(ren) involved in the study
Male	341	27.8	298	27.3	641	27.5
Female	821	67.0	719	65.8	1549	66.5
Both	57	4.7	65	5.9	122	5.2
Missing values	6	0.5	11	1.0	19	0.8

SD, standard deviation. ^a Thirteen parents did not answer the question concerning gender. ^b When more than one offspring was involved, the age of the youngest is given.

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