Association between physical activity, sedentary time, and physical fitness of female college students in China

BMC Women's Health

Table 1 Descriptive statistics of participants’ physical activity, sedentary time, and physical fitness

Variable	All (495)	Active (305)	Inactive (190)	p	Low sedentary (213)	High sedentary (282)	p
PA/ST
MVPA (mins/week)	233.35 ± 219.63	333.61 ± 225.25	72.42 ± 47.08	0.000**	254.37 ± 218.31	217.48 ± 219.67	0.060
ST (mins/day)	431.52 ± 183.75	425.02 ± 182.76	441.95 ± 185.35	0.319	256.69 ± 96.95	563.56 ± 107.71	0.000**
Fitness
BMI (kg/m²)	20.02 ± 1.77	20.11 ± 1.83	19.88 ± 1.68	0.161	20.07 ± 1.67	19.99 ± 1.85	0.621
Vital capacity (ml)	2819.18 ± 426.16	2857.10 ± 438.66	2758.31 ± 398.92	0.012*	2861.91 ± 405.43	2786.91 ± 439.13	0.052
800 m (seconds)	213.78 ± 18.4	213.43 ± 18.52	214.35 ± 18.26	0.591	213.29 ± 18.94	214.16 ± 18.01	0.605
Sit-up (times)	45.77 ± 8.58	46.27 ± 8.89	44.97 ± 8.02	0.103	45.22 ± 8.22	46.19 ± 8.84	0.215
Sit and reach (cm)	19.72 ± 5.45	19.74 ± 5.54	19.68 ± 5.31	0.900	19.65 ± 5.28	19.77 ± 5.57	0.806
Standing long jump (m)	1.79 ± 0.14	1.79 ± 0.14	1.79 ± 0.14	0.874	1.77 ± 0.13	1.81 ± 0.14	0.080
50 m run (seconds)	8.33 ± 0.46	8.34 ± 0.46	8.31 ± 0.47	0.459	8.31 ± 0.48	8.34 ± 0.45	0.519
Overall fitness	83.48 ± 2.93	83.74 ± 3.17	83.05 ± 2.44	0.007**	83.38 ± 2.82	83.55 ± 3.02	0.525

Participants were classified as a low sedentary group and a high sedentary group according to the median of participants’ ST, which is 420 minutes per day
All tests of variance were performed using independent samples t-tests
All indicators are presented as mean ± standard deviation
Bold values denote statistical significance at the p < 0.05 level
*indicates p < 0.05, **indicates p < 0.01

ISSN: 1472-6874