Table 1.

Descriptive statistics of Pre-School Activities Inventory scores for children classified as gender conforming, control, or gender nonconforming at age 3.5 years and in the same groups of children available for follow-up at age 13 years

	Boys					Girls
	n	M	SD	95 % CI	Range	n	M	SD	95 % CI	Range
At 3.5-year sampling
Gender conforming children	122	80.68	4.07	79.95, 81.41	75.75–95.55	109	17.10	4.16	16.31, 17.89	4.25–21.85
Control children	99	62.02	6.13	60.79, 63.24	49.35–74.65	108	34.84	7.51	33.40, 36.27	22.95–49.35
Gender nonconforming children	110	43.96	4.61	43.09, 44.83	20.75–48.25	111	56.91	4.58	56.05, 57.77	51.55–71.35
At 13-year follow-up
Gender conforming children	66	80.70	4.60	79.57, 81.83	75.75–95.55	69	17.12	4.14	16.12, 18.11	5.35–21.85
Control children	56	61.19	5.90	59.61, 62.78	49.35–74.65	67	35.31	7.72	33.43, 37.20	22.95–49.35
Gender nonconforming children	82	43.98	4.43	43.00, 44.96	20.75–48.25	61	56.80	4.76	55.58, 58.02	51.55–70.25

Note Higher PSAI scores represent more masculine behavior and/or less feminine behavior. The standardized norm is M = 60, SD = 10 for boys and M = 40, SD = 10 for girls (Golombok & Rust, 1993a, 1993b). The absolute range of the PSAI scores is −4.55 to 101.05