Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
PMC full text:
J Child Neurol. Author manuscript; available in PMC 2009 Dec 15.
Published in final edited form as:
J Child Neurol. 2009 May; 24(5): 536–543.
doi: 10.1177/0883073808327831

Table 2

Odds Ratios of Medical Conditions Among Individuals Aged 4 to 18 Years According to Headache Status. Results from National Health and Nutrition Examination Survey 1999–2004

Percentage (95% Confidence Interval) True of Children
Medical ConditionWithout HeadacheWith HeadacheOdds Ratio (95% Confidence Interval)Odds Ratioa (95% Confidence Interval)
Asthma14.12 (12.67–15.58)21.83 (18.66–25.00)1.70 (1.39–2.08)1.67 (1.35–2.06)
Hay fever10.48 (9.04–11.93)20.05 (16.68–23.41)2.14 (1.77–2.58)2.18 (1.78–2.68)
Ear infectionb4.14 (3.06–5.24)9.30 (7.15–11.45)2.37 (1.73–3.26)3.05 (2.19–4.25)
Chickenpox (6–18 years in 1999–2000)80.29 (77.22–83.37)83.80 (76.41–91.18)1.27 (0.79–2.05)1.07 (0.70–1.65)
Any 1 inflammatory/allergic dx (w/o chickenpox)b25.01 (23.14–26.87)41.55 (37.11–45.98)2.13 (1.82–2.49)2.17 (1.85–2.55)
Any 2 inflammatory/allergic dx (w/o chickenpox)b3.51 (2.92–4.09)10.65 (8.49–12.81)3.28 (2.49–4.33)3.20 (2.36–4.33)
Any 3 inflammatory/allergic dx (w/o chickenpox)b0.14 (0.02–0.27)1.47 (0.64–2.31)10.51 (4.07–27.17)13.60 (4.81–38.44)
Attention deficit disorder7.15 (6.23–8.07)13.52 (10.97–16.07)2.03 (1.56–2.64)1.95 (1.45–2.54)
Learning disabilityb9.70 (8.55–10.85)14.62 (12.14–17.11)1.59 (1.26–2.02)1.39 (1.07–1.82)
Stuttering/stammeringb3.48 (2.97–4.00)5.80 (3.95–7.65)1.71 (1.16–2.51)1.99 (1.31–3.01)
Any 1 developmental/learning disability dxb15.26 (13.89–16.62)26.10 (22.28–29.93)1.96 (1.56–2.47)1.83 (1.40–2.40)
Any 2 developmental/learning disability dxb4.34 (3.52–5.15)7.10 (5.25–8.96)1.69 (1.20–2.38)1.51 (1.03–2.21)
Any 3 developmental/learning disability dxb0.43 (0.26–0.60)0.94 (0.53–1.35)2.20 (1.26–3.83)2.13 (1.17–3.88)
Anemia0.87 (0.62–1.12)1.78 (1.19–2.36)2.06 (1.32–3.23)1.98 (1.23–3.18)
Overweight7.70 (6.80–8.60)14.79 (11.96–17.61)2.08 (1.65–2.62)1.76 (1.37–2.26)
High blood pressure (8–15 years in 1999–2000)0.15 (0.00–0.37)0.19 (0.00–0.47)1.29 (0.15–11.22)1.30 (0.15–11.16)
Diabetes0.40 (0.24–0.55)0.45 (0.00–1.03)1.14 (0.31–4.23)0.75 (0.24–2.38)
Stomach or intestinal illness8.84 (7.91–9.76)10.91 (8.91–12.91)1.26 (0.98–1.63)1.41 (1.11–1.79)
Menarche before age 12 yearsc8.93 (6.81–11.05)14.90 (8.97–20.83)1.79 (1.10–2.90)1.67 (0.99–2.81)
Any 1 general medical (w/o high blood pressure)b15.30 (13.95–16.65)22.77 (18.61–26.93)1.63 (1.28–2.09)1.63 (1.26–2.11)
Any 2 general medical (w/o high blood pressure)b0.87 (0.58–1.16)1.82 (0.87–2.76)2.11 (1.14–3.90)1.76 (0.92–3.37)
Any 3 general medical (w/o high blood pressure)b0.05 (0.00–0.12)0.03 (0.00–0.08)0.52 (0.05–5.51)0.52 (0.06–4.35)
Note: dx, diagnosis; w/o, without.

aAdjusted for sex, age group, race, poverty income ratio.
b4–15 year-olds.
cAsked of girls 8–11 years old.