Name

neckmean

Label

Neck Circumference Mean (2 Measurements)

Calculation
neckmean = ( neckcm1 + neckcm2 ) / 2
Units
centimeters
Type
numeric
Visit number vs Neck Circumference Mean (2 Measurements)
N Mean StdDev Median Min Max Unknown Total
Baseline 318 42.2 ± 3.8 42.3 32.7 53.3 - 318
Follow-up 299 41.9 ± 4.3 42.0 16.8 52.3 2 301
Treatment Arm vs Neck Circumference Mean (2 Measurements)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 42.2 ± 3.8 42.3 32.7 53.3 - 318
Healthy Lifestyles and Sleep Education - control arm (HLSE) 106 42.4 ± 3.7 42.7 35.0 53.3 - 106
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 106 42.4 ± 4.0 42.3 32.7 52.3 - 106
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 106 41.7 ± 3.5 41.9 34.1 49.8 - 106
Treatment Arm vs Neck Circumference Mean (2 Measurements)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 299 41.9 ± 4.3 42.0 16.8 52.3 2 301
Healthy Lifestyles and Sleep Education - control arm (HLSE) 100 42.0 ± 4.4 42.5 17.5 52.3 - 100
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 101 41.9 ± 4.8 41.8 16.8 51.9 - 101
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 98 41.7 ± 3.5 41.5 30.5 50.6 2 100
Age category vs Neck Circumference Mean (2 Measurements)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 42.2 ± 3.8 42.3 32.7 53.3 - 318
45-54 years 53 43.6 ± 3.9 43.6 34.0 52.3 - 53
55-64 years 139 42.0 ± 3.5 42.3 34.1 53.3 - 139
65 years or older 126 41.7 ± 3.9 41.9 32.7 50.3 - 126
Age category vs Neck Circumference Mean (2 Measurements)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 299 41.9 ± 4.3 42.0 16.8 52.3 1 300
45-54 years 48 44.0 ± 3.8 43.4 37.6 51.9 1 49
55-64 years 127 41.8 ± 3.6 42.0 30.5 52.3 - 127
65 years or older 124 41.1 ± 4.8 41.1 16.8 49.8 - 124
Gender vs Neck Circumference Mean (2 Measurements)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 42.2 ± 3.8 42.3 32.7 53.3 - 318
Female 84 38.7 ± 2.9 38.7 32.7 45.1 - 84
Male 234 43.4 ± 3.2 43.0 34.3 53.3 - 234
Gender vs Neck Circumference Mean (2 Measurements)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 299 41.9 ± 4.3 42.0 16.8 52.3 2 301
Female 78 38.7 ± 2.9 38.8 30.3 45.0 1 79
Male 221 43.0 ± 4.1 43.0 16.8 52.3 1 222
Race vs Neck Circumference Mean (2 Measurements)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 313 42.1 ± 3.8 42.2 32.7 53.3 - 313
White 252 42.4 ± 3.5 42.3 32.8 53.3 - 252
Black 42 40.5 ± 4.4 39.7 32.7 49.1 - 42
Other 19 41.8 ± 4.5 42.8 34.1 52.3 - 19
Race vs Neck Circumference Mean (2 Measurements)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 295 41.8 ± 4.3 41.9 16.8 52.3 1 296
White 237 42.1 ± 4.2 42.0 16.8 52.3 - 237
Black 39 40.0 ± 4.2 40.0 30.3 48.0 1 40
Other 19 42.1 ± 4.6 41.5 33.9 51.9 - 19