Figure 2

(a,b) Relationship between abdominal pain and unhappiness in adolescents in the Raine Study at age (a) 17 years and (b) 14 years. Bars represent unhappiness in the adolescent based on self-report or parent report, respectively. Adolescents with abdominal pain were significantly more unhappy than those not experiencing abdominal pain (p < 0.001).