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. Author manuscript; available in PMC: 2022 Jun 23.
Published in final edited form as: Addiction. 2020 Mar 10;115(9):1707–1716. doi: 10.1111/add.15003

Table 1.

Distribution of demographics and experiences among women stratified by cannabis use during different time-periods, Pregnancy Risk Assessment Monitoring System (PRAMS) 2016.

Cannabis use before pregnancy
Continued cannabis use during pregnancy
Postpartum cannabis relapse
Reported use Reported no use Reported use Reported no use Reported use Reported no use

n (%) n (%) n (%) n (%) n (%) n (%)

Sample 997(16.4) 5064 (83.6) 363 (36.4) 634(63.6) 147 (23.2) 487 (76.8)
Cumulative stressful life eventsa (0–14), mean (SD) 2.98 (2.51) 1.67 (1.86) 3.45 (2.64) 2.71 (2.40) 2.88 (2.54) 2.66 (2.35)
Cumulative stressful life eventsa (categorized)
 0 165 (16.6) 1658 (32.7) 48 (13.2) 117 (18.4) 28(19.0) 89 (18.3)
 1–2 341 (34.2) 2124 (41.9) 104(28.6) 237(37.4) 47(32.0) 190(39.0)
 3–5 325 (32.6) 1047 (20.7) 132 (36.4) 193 (30.4) 50 (34.0) 143 (29.4)
 6 or more 166 (16.6) 235 (4.6) 79 (21.8) 87(13.7) 22 (15.0 65 (13.4)
Age (years)
 < 17 14(1.4) 47 (0.9) 4(1.1) 10(1.6) 0 10(2.0)
 18–19 74 (7.4) 143 (2.8) 15 (4.1) 59 (9.3) 16 (10.9) 43 (8.8)
 20–24 243 (24.4) 824(16.3) 98 (27.0) 145 (22.9) 38 (25.8) 107 (22.0)
 25–29 309 (31.0) 1584 (31.3) 119(32.8) 190(30.0) 44 (29.9) 146 (30.0)
 30–34 238 (23.9) 1486 (29.3) 88 (24.2) 150(23.7) 31 (21.1) 119 (24.4)
 35+ 119 (11.9) 980 (19.4) 39 (10.7) 80(12.6) 18 (12.2) 62 (12.7)
Highest education completed
 Less than high school diploma 128 (12.8) 445 (8.8) 55 (15.2) 73 (11.5) 17(11.6) 56 (11.5)
 High school diploma 330 (33.1) 1098 (21.7) 144(39.7) 186 (29.3) 57 (38.8) 129 (26.5)
 At least some college 539 (54.1) 3521 (69.5) 164 (45.2) 375 (59.2) 73 (49.7) 302 (62.0)
Marital status
 Married 405 (40.6) 3497 (69.1) 119(32.8) 286 (45.1) 65 (44.2) 221 (45.4)
 Other 592 (59.4) 1558 (30.8) 244 (67.2) 348 (54.9) 82 (55.8) 266 (54.6)
 Missing 0 9 (0.2) 0 0 0 0
Race
 White 581 (58.3) 3117 (61.6) 204 (56.2) 377 (59.5) 87 (59.2) 290 (59.6)
 Black 163 (16.4) 808 (16.0) 46 (12.7) 117 (18.4) 25 (17.0) 92 (18.9)
 API 21 (2.1) 343 (6.8) 7(1.9) 14(2.2) 1 (0.7) 13 (2.7)
 AI/AN 128 (12.8) 340 (6.7) 62 (17.1) 66 (10.4) 18 (12.2) 48 (9.9)
 Other 104 (10.4) 456 (9.0) 44 (12.1) 60 (9.5) 16 (10.9) 44 (9.0)
Hispanic ethnicity
 No 917 (92.0) 4425 (87.4) 337(92.8) 580(91.5) 137 (93.2) 443 (91.0)
 Yes 75 (7.5) 606 (12.0) 25 (6.9) 50(7.9) 9(6.1) 41 (8.4)
 Unknown 5 (0.5) 33 (0.6) 1 (0.3) 4 (0.6) 1 (0.7) 3 (0.6)
State
 Alaska 196 (19.7) 811 (16.0) 92 (25.3) 104(16.4) 31 (21.1) 73 (15.0)
 Colorado 232 (23.3) 1277 (25.2) 83 (22.9) 149 (23.5) 30 (20.4) 119 (24.4)
 Maine 164 (16.4) 607 (12.0) 66 (18.2) 98 (15.5) 31 (21.1) 67 (13.8)
 Michigan 227 (22.8) 1406 (27.8) 61 (16.8) 166 (26.2) 36 (24.5) 130(26.7)
 Washington 178 (17.8) 963 (19.0) 61 (16.8) 117 (18.4) 19(12.9) 98 (20.1)
Smoked cigarettes up to 12 months before pregnant
 Yes 494 (49.6) 757 (15.0) 229 (63.1) 265 (41.8) 75 (51.0) 190(39.0)
 No 503 (50.4) 4307 (85.0) 134(36.9) 369 (58.2) 72 (49.0) 297 (61.0)
Smoked cigarettes during pregnancy
 Yes 231 (23.2) 370 (7.3) 135 (37.2) 96 (15.1) 34(23.1) 62 (12.7)
 No 766 (76.8) 4694 (92.7) 228 (62.8) 538 (84.9) 113 (76.9) 425 (87.3)
Smoked cigarettes since baby was born
 Yes 335 (33.6) 515 (10.2) 177 (48.8) 158 (24.9) 61 (41.5) 97 (19.9)
 No 662 (66.4) 4549 (89.8) 186 (51.2) 476 (75.1) 86 (58.5) 390(80.1)
Parity
 Primiparous 491 (49.2) 1950(38.5) 151 (41.6) 340 (53.6) 69 (46.9) 271 (55.7)
 Multiparous 504(50.6) 3107 (61.4) 212 (58.4) 292 (46.1) 78 (53.1) 214 (43.9)
 Missing 2 (0.2) 7(0.1) 0 2 (0.3) 0 2 (0.4)
Method of payment
 Medicaid 595 (59.7) 1865 (36.8) 249 (68.6) 346 (54.6) 81 (55.1) 265 (54.4)
 Other 394(39.5) 3174(62.7) 109 (30.0) 285 (45.0) 65 (44.2) 220 (45.2)
 Missing 8 (0.8) 25 (0.5) 5 (1.4) 3 (0.5) 1 (0.7) 2 (0.4)
Physical abuse during pregnancy
 Yes 42 (4.2) 49 (1.0) 22 (6.1) 20 (3.2) 5 (3.4) 15 (3.1)
 No/not reported 955 (95.8) 5015 (99.0) 341 (93.4) 614 (96.8) 142 (96.6) 472 (96.9)
Gestational age at delivery
 < 37 weeks 196(19.7) 999 (19.7) 77 (21.2) 119 (18.8) 28 (19.1) 91 (18.7)
 ≥ 37 weeks 799 (80.1) 4057(80.1) 284(78.2) 515 (81.2) 119 (81.0) 396 (81.3)
 Missing 2 (0.2) 8 (0.2) 2 (0.6) 0 0 0
Birthweight
 < 2500g 290(29.1) 1281 (25.3) 125 (34.4) 165 (26.0) 41 (27.9) 124(25.5)
 ≥ 2500 g 707 (70.9) 3784(74.7) 238 (65.6) 469 (74.0) 106 (72.1) 363 (74.5)
Small for gestational age (based on 10th percentile)
 Yes 191 (19.2) 780 (15.4) 90 (24.8) 101 (15.9) 26 (17.7) 75 (15.4)
 No 765 (76.7) 4029 (79.6) 258 (71.1) 507 (80.0) 113 (76.9) 394(80.9)
 Missing 41 (4.1) 255 (5.0) 15 (4.1) 26 (4.1) 8 (5.4) 18 (3.7)
Ever breastfed
 Yes 848 (85.1) 4553 (89.9) 280 (77.1) 568 (89.6) 129 (87.8) 439 (90.1)
 No 110(11.0) 408 (8.1) 60(16.5) 50 (7.9) 10(6.8) 40 (8.2)
 Missing 39 (3.9) 103 (2.0) 23 (6.3) 16 (2.5) 8 (5.4) 8(1.7)
Weeks of breastfeeding among women who ever breastfed and are currently not breastfeeding, mean (SD) 6.68(5.4) 7.38 (6.0) 6.08 (5.0) 7.06 (5.6) 7.09 (5.6) 7.04(5.6)
Mode of participation
 Mail 716 (71.8) 3665 (72.4) 242 (66.7) 474 (74.8) 101 (68.7) 3 73 (76.6)
 Phone 281 (28.2) 1399 (27.6) 121 (33.3) 160 (25.2) 46 (31.3) 114(23.4)

SD = standard deviation; n = frequency; API = Asian/Pacific Islander; AI/AN = American Indian/Alaskan Native. Percentages may not sum to 100 due to rounding.

a

14-item stressful life events are a subset of Modified Life Events Inventory.