TABLE 4.

Independent visit–related behaviors among respondents

Behavior by age, y	2008	2011	P
Prepared questions (%)
10–12	12	11	ns
13–15	13	5	ns
16–18	9	16	ns
19–21	22	24	ns
>21	30	66	0.041
Main role in talking (%)
10–12	8	17	ns
13–15	15	24	ns
16–18	36	45	ns
19–21	61	76	ns
>21	85	92	ns
Asks questions (%)
10–12	4	6	ns
13–15	10	11	ns
16–18	14	20	ns
19–21	54	52	ns
>21	68	83	ns
Answers questions (%)
10–12	16	22	ns
13–15	36	32	ns
16–18	56	64	ns
19–21	86	92	ns
>21	100	100	ns

Independent behavior is considered 4 (“mostly me”) or 5 (“I do it totally myself”) and represents the responsibility for doing the task rather than whether the task was always completed. Percentage is proportion of those responding 4 or 5 compared with the total in that age group that year.