Distance to Specialist Medical Care and Diagnosis of Obstructive Sleep Apnea in Rural Saskatchewan
Table 4
Characteristics of adults who likely required this specialist medical care (n = 2813; 2230 households).
Characteristics
Proportion (%)
Obstructive sleep apnea symptoms in the absence of a sleep apnea diagnosis (n = 2432; 86%)
valuea
Travel distance to specialist medical care ≥ 250 km (n = 761; 27%)
valuea
n
Row %
n
Row %
Exposure
Travel distance to specialist medical care (km)
<100
19
480
87.6
0.71
—
—
—
100–189
28
669
85.4
—
—
190–249
26
622
86.3
—
—
≥250
27
661
86.9
—
—
Potential confounders
Age (years)
18–45
21
533
91.1
0.003
140
23.9
0.12
46–55
29
695
85.3
224
27.5
56–65
28
676
85.6
215
27.2
>65
22
528
84.8
182
29.2
Sex
Females
36
922
89.9
<0.001
269
26.2
0.24
Males
64
1510
84.5
492
27.5
Body mass index (kg/m2)
Normal (<25)
19
479
91.4
<0.001
128
24.4
0.52
Overweight (25–29.9)
41
1041
90.1
312
27.0
Obese (≥30)
40
912
80.5
321
28.3
Education level
Postsecondary
39
947
86.3
0.80
287
26.1
0.40
Secondary or less
61
1485
86.6
474
27.6
Money left over at the end of the month
Some
59
1452
87.5
0.005
423
25.5
0.19
Just enough
20
489
87.8
153
27.5
Not enough
21
491
82.4
185
31.0
Heavy alcohol consumption, more than 5 drinks on one occasion
Never
50
1217
86.2
0.03
402
28.5
0.26
1/month or less
34
837
87.6
248
25.9
1/week or less
13
320
87.0
97
26.4
More than 1/week
3
58
75.3
14
18.2
Smoking status
Never
46
1118
86.5
0.47
349
27.0
0.98
Past
41
981
85.8
314
27.5
Current
13
333
88.3
98
26.0
a value from Rao-Scott chi-square tests for significant difference in proportions with obstructive sleep apnea symptoms in the absence of a sleep apnea diagnosis/travel distance to specialist medical care ≥250 km between levels of each variable.