Sex differences in the trajectories of and factors related to extracurricular sport participation and exercise: a cohort study spanning 13 years

Table 1 Descriptive statistics for multi-faceted related factors across sex

Related Factors	Total (n = 2072)			Male (n = 1075)			Female (n = 997)			P-value
Related Factors	n	mean or %	SE	n	mean or %	SE	n	mean or %	SE	P-value
Individual factors
Body Mass Index (averaged)	1952	19.56	0.08	1013	20.04	0.12	939	19.03	0.10	< 0.001
Body dissatisfaction (Range: 4–20, averaged)	1791	11.92	0.07	924	11.15	0.10	867	12.74	0.10	< 0.001
Stress (Range: 0–32, averaged)	1792	10.10	0.12	924	9.24	0.17	868	11.01	0.17	< 0.001
Screen behavior (Range: 2–8, averaged)	2011	3.91	0.03	1043	4.19	0.04	968	3.60	0.03	< 0.001
Parental Factors
Parental screen behavior (Range: 2–10, averaged)	1995	4.84	0.03	1035	4.87	0.04	960	4.79	0.04	0.165
Parental exercise
Regular	715	37.43%		366	37.12%		349	37.77%		0.769
Irregular or no exercise	1195	62.57%		620	62.88%		575	62.23%
Control variables
Parental highest education level
Low (<= 12 years)	1256	61.15%		624	58.54%		632	63.97%		0.012
High (> = 13 years)	798	38.85%		442	41.46%		356	36.03%
Family monthly income (averaged)
Low	584	29.48%		287	27.92%		297	31.16%		0.083
Medium	983	49.62%		508	49.42%		475	49.84%
High	414	20.90%		233	22.67%		181	18.99%
Parental marriage status
Not married	276	13.86%		147	14.22%		129	13.47%		0.628
Married or living together	1716	86.14%		887	85.78%		829	86.53%

Individual-level factors were averaged based on available data from 2001 to 2006
Parental level factors and control variables were averaged based on available data from 2001 to 2004

ISSN: 1471-2458