Table 2.

Descriptive data for 329 parent-child dyads from San Diego County, CA on percentage days of parental overestimation (n=1642 days) and classification error by category of moderate and vigorous activity.

Activity category (MVPA mins)	N days	Mean (SD) % overestimation	Mean (SD) classification error* (MVPA mins)
0 – 14.9	73	44.3 (42.6)	−44.8 (5.4)
15 – 29.9	227	50.7 (38.6)	−29.5 (9.2)
30 – 44.9	308	51.7 (34.4)	−16.1 (11.4)
45 – 59.9	325	45.6 (32.2)	−5.3 (10.5)
60 – 74.9	239	0	6.1 (9.6)
75 – 89.9	181	0	14.6 (10.9)
≥ 90	289	0	38.7 (22.9)

PA; physical activity: MVPA; moderate and vigorous activity:

^*classification error calculated as difference from 60 minute guideline.