Study type Study/country Main Main Age at Age at final N at final Relevant (significant) findings baseline outcome baseline Reference measure(s) measure(s) (yrs;mnths) Diagnosis Symptom outcome outcome measure measure analysis modeling Ialongo et al., United States Anxiety Anxiety 5;0 to 6;0 10;0 542 Anxiety symptoms at age 5 to 6 predicted 1995 (Maryland) symptoms symptoms anxiety symptoms at age 10 Keenan et al., United States b 3;0 5;0 104 Internalizing symptoms at age 3 were DSM 1998 (Pennsylvania) symptoms associated with internalizing disorders at age 5 internalizing disorders Côté et al., Canada Fearfulness Fearfulness 6;0 12;0 1865 Distinguished three generally fearfulness 2002 groups: 1)low-stable; 2)moderate-stable; 3)high-stable (girls: 17.4 %; boys: 8.6 %) Bosquet & Minnesota Anxiety 5;3 17;6 155 Anxious/depressed symptoms at age 10 were Egeland, 2006 Longitudinal diagnoses. significantly associated with anxiety Study of Parents symptoms diagnoses at age 17.5 and Children symptoms, Clark et al., 1958 British c-10 7;0 45;0 9297 Internalizing disorders at age 7 were ICD 2007 Birth Cohort problems associated with a 1.5-2-fold increase in risk anxiety for midlife anxiety and affective disorder diagnoses Dallaire & National Anxious Anxious 3;0 6;0 1364 Anxiety behavior symptoms at age 3 Weinraub, Institute of behavior behavior predicted anxiety behavior symptoms at age 6 2007 Child Health symptoms symptoms and Human
Reference Study type Study/country Main baseline measure(s) Main outcome measure(s) Age at baseline Age at final (yrs;mnths) N at final Relevant (significant) findings Diagnosis outcome measure Symptom outcome measure analysis modeling Ialongo et al., 1995 United States (Maryland) Anxiety symptoms Anxiety symptoms 5;0 to 6;0 10;0 542 Anxiety symptoms at age 5 to 6 predicted anxiety symptoms at age 10 Keenan et al., 1998 United States (Pennsylvania) symptoms DSM b internalizing disorders 3;0 5;0 104 Internalizing symptoms at age 3 were associated with internalizing disorders at age 5 Côté et al., 2002 Canada Fearfulness Fearfulness 6;0 12;0 1865 Distinguished three generally fearfulness groups: 1)low-stable; 2)moderate-stable; 3)high-stable (girls: 17.4 %; boys: 8.6 %) Bosquet & Egeland, 2006 Minnesota Longitudinal Study of Parents and Children symptoms Anxiety diagnoses. symptoms, 5;3 17;6 155 Anxious/depressed symptoms at age 10 were significantly associated with anxiety diagnoses at age 17.5 Clark et al., 2007 1958 British Birth Cohort problems ICD c-10 anxiety diagnoses 7;0 45;0 9297 Internalizing disorders at age 7 were associated with a 1.5-2-fold increase in risk for midlife anxiety and affective disorder Dallaire & Weinraub, 2007 National Institute of Child Health and Human Anxious behavior symptoms Anxious behavior symptoms 3;0 6;0 1364 Anxiety behavior symptoms at age 3 predicted anxiety behavior symptoms at age 6
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