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. 2016 Apr 19;3(1):e000349. doi: 10.1136/openhrt-2015-000349

Table 1.

Patient demographics

Characteristics Total (n=70)
Mean±SD
Intervention group (n=35) Control group (n=35) Statistical test and p Value
Age
 Mean±SD 61.40±12.83 62.00±14.18 60.80±11.51 t=0.389*
p=0.699
BMI
 Mean±SD 24.87±3.80 24.70±3.5 25.3±4.12 t=−0.364*
p=0.717
Family number
 Mean±SD 5.37±1.91 5.2±1.94 5.54±1.91 t=−0.754*
p=0.454
Gender, n (%)
 Male 46 (65.7%) 22 (62.9%) 24 (68.6%) χ2=2.470†
 Female 24 (34.3%) 13 (37.1%) 11 (31.4%) df=1
p=0.116
Marital Status, n (%)
 Single 1 (1.4%) 1 (2.9%) 0 (0.00%)
 Married 69 (98.6%) 34 (97.1%) 35 (100.0%)
Living location, n (%)
 City 36 (51.4%) 20 (57.1%) 16 (45.7%) χ2=0.345†
df=1
p=0.557
 Countryside 34 (48.6%) 15 (42.9%) 19 (54.3%)
Job, n (%)
 Clerk 12 (17.1%) 4 (11.4%) 8 (22.9%) χ2=29.085†
df=25
p=0.260
 Labourer 8 (11.4%) 4 (11.4%) 4 (11.4%)
 Housekeeper 23 (32.9%) 13 (37.1%) 10 (28.6%)
 Unemployed 3 (4.3%) 1 (2.9%) 2 (5.7%)
 Retired 11 (15.7%) 5 (14.3%) 6 (17.1%)
 Non-governmental 13 (18.6%) 8 (22.9%) 5 (14.3%)
Education level, n (%)
 Primary 19 (27.1%) 8 (22.9%) 11 (31.4%) χ2=8.809†
df=4
p=0.066
 Secondary 30 (42.9%) 17 (48.6%) 13 (37.1%)
 High/undergraduate 21 (30.0%) 10 (28.6%) 11 (31.4%)

*Based on the independent Student's t test.

†Based on the χ2 test.

BMI, body mass index.