Clinical Study
Validation of the CPAP Habit Index-5: A Tool to Understand Adherence to CPAP Treatment in Patients with Obstructive Sleep Apnea
Table 2
Characteristics of the population before treatment initiation (
).
| | Variables | Total () |
| | Age, m (sd) | 57.8 (6.7) | | Gender, (%) | | | Male | 66 (56) | | Female | 51 (44) | | Education, (%) | | | 6 years | 28 (24) | | 9 years |
28 (24) | | 15 years | 32 (27) | | >15 years | 24 (21) | | Unknown | 5 (4) | | Marital status, (%) | | | Married | 92 (79) | | Divorced/living alone | 18 (15) | | Widow/widower | 6 (5) | | Unknown | 1 (1) | | Body composition, m (sd) | | | Body mass index | 30.6 (5.1) | | Blood pressure, m (sd) | | | Systolic blood pressure | 143.4 (18.6) | | Diastolic blood pressure | 87.8 (11.2) | | Comorbidities, (%) | | | IHD | 88 (75) | | Hypercholesterolemia | 40 (34) | | Diabetes | 20 (17) | | Respiratory disease | 6 (5) | | Smoking, (%) | | | Smoking | 16 (14) | | Exsmoker | 26 (22) | | Nonsmoker | 75 (64) | | Obstructive sleep apnea, m (sd) | | | AHI | 26.7 (19.8) | | ODI | 24.8 (19.2) | | Mean saturation | 93.3 (1.7) | | Self-rated sleep, m (sd) | | | Sleep duration, hours | 6.8 (1.1) | | Daytime sleepiness | | | Total ESS score, m (sd) | 8.1 (4.4) | | ESS ≥ 10, (%) | 40 (34) | | CPAP use | | | Hours/night after 2 weeks (), m (sd) | 4.92 (2.3) | | >4 hours/night after 2 weeks (), (%) | 74 (63) | | Hours/night after 6 months (), m (sd) | 4.63 (2.9) | | >4 hours/night after 6 months (), (%) | 87 (74) | | Hours/night after 12 months (), m (sd) | 5.75 (1.6) | | >4 hours/night after 12 months (), (%) | 61 (85) |
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Key: AHI: apnea-hypopnea index; ESS: Epworth sleepiness scale; IHD: ischaemic heart disease; ODI: oxygen desaturation index.
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