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. Author manuscript; available in PMC: 2021 Mar 30.
Published in final edited form as: Epidemiology. 2019 Nov;30(Suppl 2):S37–S46. doi: 10.1097/EDE.0000000000001066

TABLE 1.

Demographic Characteristics of 1,069 Study Participants with Available Measures of Preconception Plasma Phospholipid Fatty Acids Measurements by Tertiles of Total Plasma PUFA and SFA Levels in the EAGeR trial

PUFA SFA
n (%) or Mean ± SDs Tertile 1 (n = 356) Tertile 2 (n = 357) Tertile 3 (n = 356) Tertile 1 (n = 356) Tertile 2 (n = 357) Tertile 3 (n = 356)
% of total fatty acids 30.2–2.7 42.7–14.0 44.0–47.1 29.6–38.8 38.8–39.8 39.8–57.2
Age (year, mean ± SD) 28.7±4.9 28.4±4.7 29.1 ±4.7 28.8±4.5 29.0±4.9 28.3±5.0
BMI (kg/m2, mean ± SD) 26.7±6.8 26.1±6.5 25.4±5.8 24.5±5.4 25.7±6.4 28.0±6.7
Race
 White 337 (95) 337 (94) 339 (95) 341 (96) 339 (95) 333 (94)
 Non-White 19 (5) 20 (6) 17 (5) 15 (4) 18 (5) 23 (6)
Cigarette smoking
 Never 299 (84) 311 (88) 313 (89) 312 (89) 317 (89) 294 (83)
 Fewer than 6 times per week 33 (9) 23 (7) 24 (7) 22 (6) 23 (7) 35 (10)
 Daily 24 (7) 18 (5) 14 (4) 16 (5) 16 (5) 24 (7)
Alcohol drinking
 Never 239 (68) 242 (69) 216 (61) 243 (69) 229 (65) 225 (65)
 Sometimes 101 (29) 100 (29) 131 (37) 104 (30) 113 (32) 115 (33)
 Often 13 (4) 7 (2) 5 (1) 4 (1) 12 (3) 9 (3)
Physical activity
 High 123 (35) 117 (33) 107 (30) 126 (35) 108 (30) 113 (32)
 Moderate 139 (39) 144 (40) 160 (45) 143 (40) 159 (44) 141 (40)
 Low 94 (26) 96 (27) 89 (25) 87 (24) 90 (25) 102 (29)
Education
 >High school 309 (87) 312 (87) 311 (87) 317 (89) 308 (86) 307 (86)
 High school 39 (11) 38 (11) 40 (11) 34 (10) 42 (12) 41 (12)
 <High school 8 (2) 7 (2) 5 (1) 5 (1) 7 (2) 8 (2)
Income
 <$20,000 36 (10) 24 (7) 15 (4) 22 (6) 19 (5) 34 (10)
 $20,000–<$40,000 93 (26) 100 (28) 80 (23) 79 (22) 86 (24) 108 (30)
 $40,000–<$75,000 47 (13) 45 (13) 68 (19) 60 (17) 51 (14) 49 (14)
 $75,000–<$100,000 38 (11) 45 (13) 54 (15) 57 (16) 49 (14) 31 (9)
 ≥$100,000 141 (40) 143 (40) 139 (39) 137 (39) 152 (43) 134 (38)
Employment
 Yes 246 (73) 261 (74) 274 (80) 259 (76) 270 (77) 252 (74)
 No 90 (27) 90 (26) 70 (20) 83 (24) 80 (23) 87 (26)
Time from last pregnancy loss (month)
 ≤4 183 (52) 176 (50) 199 (57) 203 (59) 181 (51) 174 (49)
 5–8 57 (16) 80 (23) 55 (16) 55 (16) 68 (19) 69 (20)
 9–12 41 (12) 19 (5) 31 (9) 28 (8) 29 (8) 34 (10)
>12 68 (20) 75 (21) 67 (19) 61 (18) 74 (21) 75 (21)
Number of pregnancies, not including losses
 0 146 (41) 154 (43) 156 (44) 136 (38) 168 (47) 152 (43)
 1 126 (35) 133 (37) 120 (34) 141 (40) 116 (33) 122 (34)
 2 77 (22) 63 (18) 75 (21) 70 (20) 69 (19) 76 (21)
 3 7 (2) 7 (2) 5 (1) 9 (3) 4 (1) 6 (2)
Number of previous live birth
 0 154 (43) 166 (47) 171 (48) 142 (40) 179 (50) 170 (48)
 1 128 (36) 139 (39) 125 (35) 158 (44) 119 (33) 115 (32)
 2 74 (21) 52 (15) 60 (17) 56 (16) 59 (17) 71 (20)
Number of previous loss
 1 231 (65) 240 (67) 247 (69) 242 (68) 239 (67) 237 (67)
 2 125 (35) 117 (33) 109 (31) 114 (32) 118 (33) 119 (33)
Pregnancy after randomization
 Yes 243 (68) 221 (62) 236 (66) 249 (70) 236 (66) 215 (60)
 No 113 (32) 136 (38) 120 (34) 107 (30) 121 (34) 141 (40)

SD indicates standard deviation.