Research Article

Association between Perceived Built Environment and Prevalent Hypertension among South African Adults

Table 2

Sociodemographic characteristics of participants.

VariableFemale ()Male () valueAll ()
Number (%)Number (%)Number (%)

Gender
Female510 (76.0)
Male161 (24.0)
Age0.251
35–44173 (33.9)48 (29.8)221 (32.9)
45–54166 (32.5)63 (39.1)229 (34.1)
55+171 (33.5)50 (31.1)221 (32.9)
Marital status0.001
Single209 (41.0)56 (34.8)265 (39.1)
Married192 (37.6)85 (52.8)277 (41.3)
Divorce109 (21.4)20 (12.4)129 (19.2)
Education status0.140
Primary17 (3.3)11 (6.8)28 (4.2)
Secondary471 (92.4)142 (88.2)613 (91.4)
Tertiary22 (4.3)8 (5.0)30 (4.5)
Occupation0.118
Less skilled75 (14.7)129 (80.1)564 (84.1)
Homemaker435 (85.3)32 (19.9)107 (15.9)
Ethnicity0.240
African506 (99.2)158 (98.1)664 (99.0)
Coloured4 (0.8)3 (1.9)7 (1.0)
Location0.915
Urban221 (43.3)69 (42.9)290 (43.2)
Rural289 (56.7)92 (57.1)381 (56.8)

Selected CVD risk factors
Blood pressure (M ± SD)
Systolic blood pressure (mmHg)142.2 (25.7)140.5 (19.4)0.838141.8 (24.2)
Diastolic blood pressure (mmHg)92.7 (15.2)89.3 (12.2)0.00491.9 (14.6)
Self-reported hypertension<0.001
No338 (66.3)134 (83.2)472 (70.3)
Yes172 (33.7)27 (16.8)199 (29.7)
Screen-detected hypertension<0.001
Normotension186 (55.0)38 (28.4)224 (47.5)
Hypertension152 (45.0)96 (71.6)248 (52.5)
Any hypertension0.003
No186 (36.5)38 (23.6)224 (33.4)
Yes234 (63.5)123 (76.4)447 (66.6)
Self-reported diabetes0.469
No466 (91.4)150 (93.2)616 (91.8)
Yes44 (8.6)11 (6.8)55 (8.2)
BMI category<0.001
Normal100 (19.6)107 (66.4)207 (30.8)
Overweight127 (24.9)23 (14.3)150 (22.4)
Obese283 (55.5)31 (19.3)314 (46.8)
Smoking<0.001
No437 (85.7)70 (43.5)507 (75.6)
Yes73 (14.3)91 (56.5)164 (24.4)
Alcohol use<0.001
No448 (87.8)73 (45.3)521 (77.6)
Yes62 (12.2)88 (54.7)150 (22.4)
Physical activity levels0.718
<150 min/week152 (30.8)52 (32.3)209 (31.1)
>150 min/week353 (69.2)109 (67.7)462 (68.9)

Perceived built environment attributes
Land use mix-diversity0.110
≤20 min42 (8.2)20 (12.4)62 (9.2)
≥21 min468 (91.8)141 (87.6)609 (90.8)
Land use mix-access0.160
Disagree381 (74.7)129 (80.1)510 (76.0)
Agree129 (25.3)32 (19.9)161 (24.0)
Street connectivity0.612
Disagree227 (44.5)68 (42.2)295 (44.0)
Agree283 (55.5)93 (57.8)376 (56.0)
Infrastructure for walking/cycling0.091
Disagree248 (48.6)66 (41.0)314 (46.8)
Agree262 (51.4)95 (59.0)357 (53.2)
Aesthetics0.082
Disagree318 (62.4)88 (54.7)406 (60.5)
Agree192 (37.6)73 (45.3)265 (39.5)
Safety from traffic0.490
Disagree263 (51.6)78 (48.8)341 (50.8)
Agree247 (48.4)83 (51.6)330 (49.2)
Safety from crime0.172
Disagree234 (45.9)64 (39.8)298 (44.4)
Agree176 (54.1)97 (60.2)373 (55.6)

SD: standard deviation; subsample of 472 participants after excluding those with self-reported hypertension.