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Table 1 baseline characteristics of participants, stratified by sex, ethnicity and age group

From: Sex differences in the association of sphingolipids with age in Dutch and South-Asian Surinamese living in Amsterdam, the Netherlands

  Dutch men
18–39 years
(n = 59)
Dutch men
40–55 years
(n = 57)
Dutch men
56–70 years
(n = 58)
Dutch women
18–39 years
(n = 68)
Dutch women
40–55 years
(n = 55)
Dutch women
56–70 years
(n = 53)
Age (years) 31.3 (4.8) 46.8 (4.4) 62.0 (4.5) 29.4 (5.6) 47.7 (4.4) 61.0 (3.9)
BMI (kg/m2) 23.6 (3.9) 25.2 (3.9) 26.1 (3.8) 22.5 (3.1) 24.3 (4.0) 24.8 (3.3)
Waist circumference (cm) 86.9 (12.3) 94.3 (11.2) 97.6 (11.3) 79.5 (9.0) 86.9 (12.2) 88.0 (10.2)
Energy intake (Kcal)a 2411 (1937–2900) 2516 (2226–2855) 2377 (1976–2921) 1948 (1425–2424) 1967 (1605–2161) 1792 (1496–2199)
Fatty acids intake (g)a 93.1 (79.5–109.1) 92.8 (74.4–92.8) 86.5 (65.7–114.2) 75.3 (49.4–93.0) 74.5 (47.3–85.3) 64.3 (52.8–94.3)
Alanine (μmol/L) 310 (70) 324 (65) 319 (53) 280 (65) 306 (63) 305 (67)
Glycine (μmol/L) 154 (127–154) 144 (124–169) 151 (131–184) 145 (112–180) 160 (131–202) 182 (149–213)
Serine (μmol/L) 91 (83–103) 89 (80–99) 92 (83–102) 96 (85–112) 91 (82 - 107) 99 (84–108)
Menopause (%) - - - 0.0 (0) 25.5 (14) 96.2 (51)
Cholesterol lowering medication (%) 0.0 (0) 3.5 (2) 12.1 (7) 0.0 (11) 0.0 (0) 5.6 (13.2)
Blood pressure medication (%) 0.0 (0) 3.5 (2) 27.6 (16) 2.9 (2) 3.6 (2) 18.9 (10)
  SA Sur men
1839 years
(n = 53)
SA Sur men
4055 years
(n = 75)
SA Sur men
5670 years
(n = 26)
SA Sur women
1839 years
(n = 63)
SA Sur women
4055 years
(n = 84)
SA Sur women
5670 years
(n = 49)
Age (years) 28.4 (5.7) 47.0 (4.0) 61.5 (4.3) 28.5 (5.7) 47.8 (4.3) 59.9 (4.1)
BMI (kg/m2) 25.0 (3.9) 25.6 (3.3) 25.9 (3.7) 24.9 (5.4) 26.1 (4.5) 26.7 (4.6)
Waist circumference (cm) 89.7 (11.5) 93.1 (10.7) 96.0 (9.2) 83.8 (14.5) 88.5 (11.0) 92.6 (12.6)
Energy intake (Kcal)a 2585 (1381–3092) 2099 (1772–2491) 2168 (1917–3224) 1933 (1228–2212) 1794 (1531–2168) 1761 (1296–1959)
Fatty acids intake (g)a 81.6 (39.2–117.3) 62.1 (56.2–82.5) 64.2 (56.5–100.4) 58.2 (39.6–74.4) 57.2 (47.3–76.5) 50.1 (38.7–69.2)
Alanine (μmol/L) 339 (79) 353 (78) 355 (63) 316 (80) 319 (65) 341 (60)
Glycine (μmol/L) 131 (119–154) 138 (120–159) 139 (127–163) 138 (115–176) 145 (118–177) 155 (126–193)
Serine (μmol/L) 95 (87–108) 96 (87–108) 85 (76–99) 100 (84–111) 95 (80–109) 94 (77–107)
Menopause (%) - - - 4.8 (3) 26.2 (22) 81.6 (40)
Cholesterol lowering medication (%) 3.8 (2) 20.0 (15) 46.2 (12) 0.0 (0) 2.4 (2) 18.4 (9)
Blood pressure medication (%) 1.9 (1) 17.3 (13) 53.8 (14) 3.2 (2) 13.1 (11) 38.8 (19)
  1. Data are mean (SD), median (IQR), or % (n). SA Sur South-Asian Surinamese
  2. aAvailable for a subset of the population (n = 13 Dutch men 18–39 years, n = 17 Dutch men 40–55 years, n = 28 Dutch men 56–70 years, n = 24 Dutch women 18–39 years, n = 22 Dutch women 40–55 years, n = 21 Dutch women 56–70 years, n = 11 South-Asian Surinamese men 18–39 years, n = 27 South-Asian Surinamese men 40–55 years, n = 9 South-Asian Surinamese men 56–70 years, n = 24 South-Asian Surinamese women 18–39 years, n = 39 South-Asian Surinamese women 40–55 years, n = 24 South-Asian Surinamese women 56–70 years)