Table 3 Distribution of patient demographic variables stratified by composite score risk level.

From: Development and validation of electronic health record-based, machine learning algorithms to predict quality of life among family practice patients

 

Total

Mental composite score (n = 375)

Physical composite score (n = 375)

N = 427

High (n = 63)

Low (n = 312)

p-value

High (N = 64)

Low (N = 311)

p-value

Age

   

0.145

  

0.037*

 Mean (SD)

50.49 (18.0)

47.0 (18.4)

50.8 (17.9)

 

54.3 (17.2)

49.3 (18.1)

 

 Median [Min, Max]

52.9 [18.2, 95.7]

45.9 [18.2, 85.3]

52.9 [18.5, 92.8]

 

58.4 [21.3, 82.1]

50.9 [18.2, 92.8]

 

Race

   

0.473

  

0.156

 Other/Unknown

117 (27.4%)

14 (22.2%)

86 (27.6%)

 

12 (18.8%)

88 (28.3%)

 

 White

310 (72.6%)

49 (77.8%)

226 (72.4%)

 

52 (81.3%)

223 (71.7%)

 

Ethnicity

   

0.93

  

0.302

 Hispanic/Latino

81 (19.0%)

11 (17.5%)

49 (15.7%)

 

7 (10.9%)

53 (17.0%)

 

 Not Hispanic/Latino

267 (62.5%)

40 (63.5%)

205 (65.7%)

 

47 (73.4%)

198 (63.7%)

 

 Other/Unknown

79 (18.5%)

12 (19.0%)

58 (18.6%)

 

10 (15.6%)

60 (19.3%)

 

Sex

   

0.101

  

0.691

 F

177 (41.5%)

31 (49.2%)

116 (37.2%)

 

27 (42.2%)

120 (38.6%)

 

 M

250 (58.5%)

32 (50.8%)

196 (62.8%)

 

37 (57.8%)

191 (61.4%)

 

Education

   

0.193

  

0.663

 College

85 (19.9%)

9 (14.3%)

65 (20.8%)

 

10 (15.6%)

64 (20.6%)

 

 High school

19 (4.5%)

1 (1.6%)

16 (5.1%)

 

3 (4.7%)

14 (4.5%)

 

 Unknown

323 (75.6%)

53 (84.1%)

231 (74.0%)

 

51 (79.7%)

233 (74.9%)

 

Insurance status

   

0.099

  

0.271

 Insured

390 (91.3%)

54 (85.7%)

290 (92.9%)

 

56 (87.5%)

288 (92.6%)

 

 Uninsured

37 (8.7%)

9 (14.3%)

22 (7.1%)

 

8 (12.5%)

23 (7.4%)

 

Weight category

   

0.807

  

0.005**

 Not Overweight/Obese

172 (40.3%)

25 (39.7%)

131 (42.0%)

 

17 (26.6%)

139 (44.7%)

 

 Obese

62 (14.5%)

10 (15.9%)

40 (12.8%)

 

15 (23.4%)

35 (11.3%)

 

 Overweight

191 (44.7%)

28 (44.4%)

139 (44.6%)

 

32 (50.0%)

135 (43.4%)

 

 Missing

2 (0.5)

0 (0%)

2 (0.6%)

 

0 (0%)

2 (0.6%)

 
  1. Significance values p < 0.05*, p < 0.01**.