TABLE 4.

Stability of daily step counts by sex at different time intervals.

	Women			Men
Follow-up Year	Kappa (95% CI)	Percent Agreement	Spearman Correlation	Kappa (95% CI)	Percent Agreement	Spearman Correlation
2007–2011
Total steps per day	0.30 (0.23–0.38)**	65.2	0.51**	0.38 (0.29–0.47)**	69.2	0.58**
Aerobic steps per day	0.31 (0.24–0.38)**	65.5	0.42**	0.31 (0.21–0.40)**	65.4	0.42**
2011–2020
Total steps per day	0.39 (0.32–0.46)**	70.1	0.53**	0.35 (0.26–0.44)**	68.0	0.50**
Aerobic steps per day	0.27 (0.20–0.35)**	64.7	0.40**	0.31 (0.22–0.41)**	65.6	0.41**
2007–2020
Total steps per day	0.29 (0.22–0.37)**	65.0	0.45**	0.26 (0.16–0.36)**	63.5	0.43**
Aerobic steps per day	0.09 (0.01–0.16)*	54.1	0.31**	0.27 (0.17–0.37)**	62.9	0.38**

*P < 0.05 (two-tailed).

**P < 0.01 (two-tailed).