Table 1

Participants’ characteristics in Dar es Salaam Urban Cohort Hypertension biomarker substudy, 2014

VariableAll (n=347)Men (n=145)Women (n=202)Use palm oil (n=274)Use sunflower oil (n=73)
Age
 40–49150 (43)56 (39)94 (47)123 (45)27 (37)
 50–59113 (33)43 (30)70 (35)82 (30)31 (42)
 60 and above84 (24)46 (32)38 (19)69 (25)15 (21)
Employment status
 Unemployed83 (24)14 (10)69 (34)70 (26)13 (18)
 Employed (includes self-employed)238 (69)112 (77)126 (62)183 (67)55 (75)
 Retired26 (7)19 (13)7 (3)21 (8)5 (7)
Household wealth index
 Tertile 1, poorest115 (33)49 (34)66 (33)109 (40)6 (8)
 Tertile 2117 (34)53 (37)64 (32)90 (33)27 (37)
 Tertile 3, wealthiest115 (33)43 (30)72 (36)75 (27)40 (55)
BMI (kg/m2)
 Underweight (<18.50)19 (5)13 (9)6 (3)19 (7)0 (0)
 Normal weight (18.50 to <25.00)100 (29)56 (39)44 (22)91 (33)9 (12)
 Overweight (25 to <30.00)112 (32)48 (33)64 (32)81 (30)31 (42)
 Obese (≥30.00)116 (33)28 (19)88 (44)83 (30)33 (45)
Physical activity
 Tertile 1(0–14 MET hours/week)123 (35)46 (32)77 (38)96 (35)27 (37)
 Tertile 2(15–112 MET hours/week)108 (31)38 (27)70 (35)86 (31)22 (30)
 Tertile 3(113–840 MET hours/week)116 (33)61 (42)55 (27)92 (34)24 (33)
Alcohol drinking*
 Non-drinker286 (82)103 (71)183 (91)225 (82)61 (84)
Smoking
 Non-smoker278 (81)85 (59)193 (97)210 (78)68 (93)
 Former smoker43 (13)39 (27)4 (2)38 (14)5 (7)
 Current smoker22 (6)19 (13)3 (2)22 (8)0 (0)
Dietary variables
Palm oil as major cooking oil274 (79)119 (82)155 (77)
Meat intake
 <1 serving/week41 (12)21 (14)20 (10)36 (13)5 (7)
 1–6 servings/week173 (50)55 (38)118 (58)145 (53)28 (38)
 ≥1 servings/day133 (38)69 (48)64 (32)93 (34)40 (55)
Fish intake
 <1 serving/week41 (12)13 (9)28 (14)31 (11)10 (14)
 1–7 servings/week196 (56)76 (52)120 (59)154 (56)42 (58)
 >1 servings/day110 (32)56 (39)54 (27)89 (32)21 (29)
Dairy intake
 <1 serving/week159 (46)63 (43)96 (48)136 (50)23 (32)
 1–6 servings/week133 (38)65 (45)68 (34)99 (36)34 (47)
 ≥1 servings/day55 (16)17 (12)38 (19)39 (14)16 (22)
Fruit and vegetable
 <5 servings/day121 (35)49 (34)72 (36)101 (37)20 (27)
 5–7 servings/day68 (20)26 (20)42 (21)54 (20)14 (19)
 >7 servings/day158 (46)70 (48)88 (44)119 (43)39 (53)
Nuts and legumes
 <1 serving/week27 (8)7 (5)20 (10)17 (6)10 (14)
 1–7 servings/week200 (58)87 (60)113 (56)162 (59)38 (52)
 >1 servings/day120 (35)51 (35)69 (34)95 (35)25 (34)
Total energy intake (kcal/day)†2413 (1701, 3215)2629 (1780, 3216)2313 (1617, 3207)2369 (1654, 3150)2743 (1865, 3606)
Fat intake †
 Total fat (% of energy)17 (15, 20)17 (15, 21)17 (15, 20)17 (14, 20)20 (15, 22)
 Saturated fat (% energy)10 (8, 13)10 (8, 13)10 (8, 12)10 (8, 13)10 (8, 11)
 Monounsaturated fat (% of energy)4 (3, 5)4 (3, 5)4 (3, 5)4 (3, 5)4 (4, 5)
 Polyunsaturated fat (% of energy)2 (1, 2)2 (1, 2)2 (1, 2)1 (1, 2)2 (1, 2)
Cholesterol
 Serum total cholesterol (mg/dL)‡196 (3)185 (4)204 (4)199 (3)184 (6)
 Hypercholesterolaemia §164 (47)54 (37)110 (54)135 (49)29 (40)
  Cholesterol level was previously checked29 (18)7 (13)22 (20)13 (10)16 (55)
  Previously diagnosed hypercholesterolaemia13 (8)1 (2)12 (11)5 (4)8 (28)
  Currently taking cholesterol lowering medications9 (5)1 (2)8 (7)3 (2)6 (21)
  • Number (%) reported for all variables, except as specified b and c below.

  • *According to report of drinking alcohol in the past 30 days.

  • †Total energy and fat intake, which is reported as median (IQR).

  • ‡Serum total cholesterol, reported as mean (SE).

  • §Hypercholesterolaemia defined as total cholesterol ≥200 mg/dL.

  • BMI, body mass index; MET,metabolic equivalent.