Assessing knowledge of human papillomavirus and collecting data on sexual behavior: computer assisted telephone versus face to face interviews

Table 2 Percentage of women* and men^§ in each survey mode who answered the sexual behavior questions

	Women		Men
Sexual behavior items	CATI	FTFI	CATI	FTFI
	%	%	%	%
Number of sexual partners over life time	91.0^a	83.3^a	85.0	80.7
Number of sexual partners over past 12 months	95.2^b	84.3^b	90.2^f	85.6^f
Number of current regular sexual partners	94.6^c	76.9^c	91.1^g	74.9^g
Contraception used during first-time sex	95.6^d	81.6^d	92.6^h	83.2^h
Age at first sex	89.8^e	70.2^e	85.6ⁱ	70.9ⁱ

*N = 2145. ^§N = 930. CATI = computer assisted telephone interview. FTFI = face to face interview. Proportions that share the same superscript differ at p < .05 using chi-square tests

ISSN: 1471-2458