Table 1.
Baseline and sleep parameters
| HBP group (mean ± SD or %) | Control group (mean ± SD or %) | P value | P value adjusted for Race, Caffeine use, BMI-SDS, Daytime Nap, SRBD scale and PLMS scale | |
|---|---|---|---|---|
| N | 60 | 60 | ||
| Age (years) | 14.2 ± 3.3 | 14.2 ± 3.3 | 0.96 | |
| Gender (Male) | 70 | 70 | 0.70 | |
| Race (whites) | 58 | 62 | 0.371 | |
| BMI | 25.8 ± 5.5 | 21.9 ± 4.2 | < 0.00 | |
| BMI- SDS | 1.26 ± 0.99 | 0.55 ± 0.85 | < 0.00 | |
| BMI Percentile | 82 ± 24 | 66 ± 23 | < 0.00 | |
| SBP mm Hg | 131.5 ± 13.8 | 112.7 ± 9.6 | < 0.00 | |
| DBP mm Hg | 79.4 ± 7.8 | 71.3 ± 6.7 | < 0.00 | |
| SRBD > 0.33 | 18 (30) | 12 (20) | 0.31 | |
| PLMS > 0.33 | 20 (33.3) | 17 (28.3) | 0.64 | |
| WD Bedtime (in decimal) (hour:min) |
9.70 ± 1.02 9:42 PM |
9.78 ± 0.99 9:47 PM |
0.65 | 0.918 |
| WE Bedtime (in decimal) (hour:min) |
10.97 ± 1.34 10:59 PM |
11.25 ± 1.40 11:15 PM |
0.28 | 0.209 |
| WD OOB time (in decimal) (hour:min) |
6.55 ± 0.88 6:33 AM |
6.47 ± 64 6:28 AM |
0.62 | 0.526 |
| WE OOB time (in decimal) (hour:min) |
8.86 ± 1.55 8:52 AM |
9.6 ± 1.46 9:36 AM |
0.007 | 0.013 |
| WD TST (minutes) | 530.9 ± 74.9 | 519.6 ± 76.6 | 0.42 | 0.530 |
| WE TST (minutes) | 593.7 ± 79.1 | 622.3 ± 80.9 | 0.053 | 0.081 |
| WE-WD TST (minutes) | 62.8 ± 85.5 | 102.7 ± 84.9 | 0.012 | 0.035 |
| PDSS total | 8.28 ± 4.88 | 10.63 ± 5.41 | 0.014 | 0.007 |
| Daytime nap - Yes | 15 (25) | 7 (11) | 0.060 | |
| Caffeine users | 16 (26.6) | 22 (36.6) | 0.33 |
BMI Body mass index, BMI-SDS body mass index standard deviation score, SBP systolic blood pressure, DBP diastolic blood pressure, SRBD sleep related breathing disorder scale score, PLMS periodic limb movements in sleep scale score, WD Bedtime weekday going to bed time, WE Bedtime weekend going to bed time, WD OOB week day getting out of bed time, WE OOB weekend getting out of bed time, WD TST weekday total sleep time, WE TST weekend total sleep time, WE-WD TST Weekend catchup sleep time calculated as WE TST minus WD TST, PDSS pediatric daytime sleepiness scale