Table 1.

Baseline Comparisons Between Treatment Groups

Variable N*Alarm 61DDAVP 60Placebo 60P
Sex-male48 (78.7)45 (75)37 (61.7).09
Firstborn23 (37.7)25 (41.7)20 (34.5).7
Past history, urinary tract infection8 (13.4)4 (6.7)8 (13.8)>.1
Constipation (>3 days between bowel movement)14 (24.6)14 (23.3)12 (21.4).9
Previous prescription
Fluid restriction56 (94.9)54 (90)55 (91.7).6
Lifting54 (90)52 (86.7)57 (95).3
Behavioral32 (53.3)35 (58.3)40 (67.8).3
Bladder exercises2 (3.4)7 (11.7)11 (19.0).03*
Conditioning alarm12 (20)11 (18.3)14 (23.3).8
DDAVP8 (13.3)13 (21.7)11 (18.3).5
Imipramine8 (14.3)10 (16.7)9 (15.5).9
Oxybutinin6 (10.9)5 (8.6)5 (8.6).9
Family history
 Both sides21 (36.2)25 (41.7)26 (45.6)
 One side24 (41.4)25 (41.7)19 (33.3).5 (8 df)
Mother's education (y ± SD)13.7 ± 2.313.6 ± 2.213.3 ± 2.5F.43, P .7
Father's education (y ± SD)13.9 ± 2.913.1 ± 2.613.0 ± 3.5F1.20, P .3
Baseline first morning urine osmolality (mean ± SD) 828 ± 216 823 ± 263 800 ± 212 F.15, P .9
Baseline dry nights (%)24.7  24.024.4  F.75, P .5
CBCL total score55.1 ± 10.457.1 ± 8.756.3 ± 10.1F.2, P .8
Piers-Harris Self-Concept53.2 ± 6.052.2 ± 6.753.6 ± 5.9F.8, P .7