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. Author manuscript; available in PMC: 2022 Feb 9.
Published in final edited form as: Lancet Healthy Longev. 2021 May 17;2(6):E327–E339. doi: 10.1016/S2666-7568(21)00087-8

Table1. Baseline characteristics of Ghanaians participants in RODAM study.

Non-migrants 1
(n=347)
Migrants 2
(n=365)
Aging estimators, mean (SD)
Chronological Age 3 52.36(9.84) 49.9(9.76)
DNA HorvathAge 4 50.78(10.04) 48(9.62)
DNAm HannumAge 5 44.01(9.93) 39.82(8.96)
DNAm PhenoAge 6 41.2(10.77) 35.68(10.07)
DNAM GrimAge 7 39.35(8.72) 37.07(8.33)
IEAA 8 0.35(6.14) -0.34(5.88)
EEAA 9 0.90(5.26) -0.86(5.09)
PhenoAgeAccel 10 1.77(6.9) -1.68(6.41)
GrimAgeAccel 11 0.19(3.79) -0.18(3.85)
Other Demographic factors
Female, n (%) 243(70.02) 166(45.47)
Education, n (%)
   No education 160 (46.11) 79(21.64)
   Primary school 136(39.19) 154(42.19)
   Secondary school 38(10.96) 78(21.37)
   Tertiary 13(3.74) 54(14.79)
Behavior related factors
Any Alcohol consumption, n (%) 121 (34.90) 152(41.60)
Smoking, n (%)
   Current 5(1.44) 18(4.93)
   Never 309(89.04) 316(86.58)
   Past 33(9.52) 31(8.49)
Physical activity levels, n (%) 12
   Low 131(37.75) 137(37.53)
   Moderate 65(18.73) 86(23.56)
   High 151(43.52) 142(38.90)
Total Energy intake, Kcal/day 13 2386.24(824.96) 2894.10 (1113.31)
Length of stay for migrants, years 14 NA 20.39(12.30-25.35)
One carbon metabolism nutrient intake, mean (SD) 15
Vitamin B2 (riboflavin, mg/day) 1.29(0.51) 2.24(1.60)
Vitamin B6 (mg/day) 2.32(0.80) 3.01(1.29)
Vitamin B9 (folate; µg /day) 311.56(113.22) 445.31(203.87)
Vitamin B12 (cyanocobalamin; µg /day) 14 5.92(3.81-10.17) 12.82(7.19-34.43)
Cardio-metabolic Factors, mean (SD)
Body mass index (kg/m2) 24.74(5.59) 28.18(4.92)
Systolic blood pressure (mmHg) 130.91(22.27) 136.77(18.44)
Diastolic blood pressure (mmHg) 80.8(12.32) 84.85(11.44)
Fasting blood glucose (mmol/L) 14 5.13(4.73-6.18) 5.26(4.87-7.61)
Use of medication
Use of anti-diabetic medication, n (%) 16 23(6.62) 37(10.14)
1

Ghanaians living in rural and urban Ghana were categorised as non-migrants

2

Ghanaians living in Amsterdam, Berlin and London were categorised as migrants.

3

Age provided by the participant during questionnaire interviews

4

DNA methylation age obtained using the Horvath clock

5

DNA methylation age obtained using the Hannum clock

6

DNA methylation age obtained using the PhenoAge clock

7

DNA methylation age obtained using GrimAge clock

8

Intrinsic epigenetic age acceleration (within each cell) obtained using Horvath clock

9

Extrinsic epigenetic age acceleration (between different cells) using Hannum clock

10

Epigenetic age acceleration incorporating clinical traits obtained using the PhenoAge clock

11

Epigenetic age acceleration incorporating plasma proteins obtained using GrimAge clock

12

Physical activity categorised according to the global physical activity questionnaire (GPAQ) criteria

13

Total energy intakes obtained by food frequency questionnaires in Kcal/day

14

Data presented as medians, interquartile range.

15

One carbon metabolism nutrients intake obtained via food frequency questionnaires.

16

Use of medications to treat diabetes (oral and injectables).