Table 2

Number of children answering each SKPI question correctly, including a breakdown of the total sample into boys and girls

Topic	Question	Total (n=90)	Boys (n=45)	Girls (n=45) n ^/N
Gender differences	1. Identification dressed boy/girl	89 ^/89	44 ^/44	45 ^/45
	2. Explanation gender dressed boy/girl	76 ^/83	34 ^/40	42 ^/43
	3. Identification own gender	81 ^/84	39 ^/42	42 ^/42
	4. Explanation own gender	41 ^/81	15 ^/40	26 ^/41
	Incl. genital differences	4		4
	5. Identification naked boy/girl	89 ^/89	44 ^/44	45 ^/45
	6. Explanation gender difference naked boy/girl	79 ^/88	36 ^/44	43 ^/44
	Incl. genital differences	72	33	39
Children’s genitals and their functions	7. Naming of girl’s genitals	59 ^/80	24 ^/39	35 ^/41
	8. Function of girl’s genitals*	59 ^/64	28 ^/32	31 ^/32
	Incl. sexual function	1		1
	9. Naming of boy’s genitals	79 ^/81	39 ^/40	40 ^/41
	10. Function of boy’s genitals*	62 ^/64	31 ^/32	31 ^/32
	Incl. sexual function	1		1
Adult’s genitals and their functions	11. Naming of breasts	79 ^/89	36 ^/44	43 ^/45
	12. Function of breasts	53 ^/88	21 ^/44	32 ^/44
	13. Naming of female genitals	66 ^/90	28 ^/45	38 ^/45
	14. Function of female genitals	79 ^/85	37 ^/42	41 ^/43
	Incl. sexual function	1		1
	15. Naming of male genitals	83 ^/90	40 ^/45	43 ^/45
	16. Function of male genitals	82 ^/88	38 ^/43	43 ^/45
	Incl. sexual function	1		1
Adult intimacy	17. Insight kissing adults	88 ^/90	43 ^/45	45 ^/45
Adult intimacy	18. Insight adults making love	34 ^/90	14 ^/45	20 ^/45
Child intimacy	19. Insight children’s play	72 ^/90	34 ^/45	38 ^/45
	20. Insight doctor examining child	48 ^/90	26 ^/45	22 ^/45
	21. Insight male bent over girl in bed	74 ^/90	37 ^/45	37 ^/45
	22. Insight female washing boy in shower	84 ^/90	40 ^/45	44 ^/45
	23. Insight crying child in bed with female	62 ^/90	25 ^/45	37 ^/45

*Question missing in primary version of the manual.