TABLE 1.
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.