TABLE I.

Descriptives and Correlations With Absenteeism

	Mean (SD, range)	Correlation	βb
Demographic
Age of teen	13.95 (1.58, 12–18)	17
Incomea	$35,000–$49,999 (<$10,000 to over $125,000)	−0.28†
Health-related
No. of days at hospital for emergent care in previous year	4.41 (6.8, 0–24.00)	0.52**	0.19
No. of routine sickle cell clinic appointments attended in previous year	4.51 (5.35, 0–32.00)	0.47**	0.76**
Average hemoglobin in previous year	9.12 (1.85, 6.33–15.30)	−0.22
Pain frequency—Teen report	0.55 (0.73, 0–2.67)	0.20
Pain frequency—Parent report of teen	0.43 (0.77, 0–2.67)	.64***	7.34***
Pain intensity—Teen report	3.05 (3.04, 1–10)	0.14
Pain intensity—Parent report of teen	3.18 (3.37, 1–10)	0.29†
Disease knowledge—Teen	15.88 (2.30, 11–20)	−0.41**	−0.62
Disease knowledge—Parent	17.05 (1.88, 11–19)	−0.03
Psychosocial
IQ	89.35 (11.93, 67–120)	−0.12
Self-efficacy	66.67 (13.70, 41–98)	−0.32*
Negative thinking	46.56 (29.70, 0–114)	0.06
Developmental competence—Teen report	43.76 (10.98, 24–72)	−0.38*
Developmental competence—Parent report of teen	40.87 (9.75, 26–63)	−0.46***	−0.18
Internalizing symptoms—Teen report	55.51 (10.68, 36–78)	−0.02
Internalizing symptoms—Parent report of teen	52.34 (7.62, 37–71)	−0.01
Goalsc
HRH of academic goals	1.55 (1.20, 0–3.57)	0.55*
% Academic goals out of total goals	41 (19, 0–67)	−0.06
% Academic goals: Current	48 (27, 0–75)	0.59*
% Academic goals: Future	52 (27, 25–1)	−0.59*

^aIncome was a categorical variable. The median category and range is presented;

^bSignificant (P < 0.01) correlates with absenteeism variables were entered into the regression predicting absenteeism; corresponding beta coefficients are shown.

^cGoal-related variables were not entered into the regression because they were not assessed in the total sample;

^†P < 0.10;

^*P < 0.05;

^**P < 0.01;

^***P < 0.001.