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. 2020 Oct 20;11:147–155. doi: 10.2147/AHMT.S280800

Table 3.

Factors Associated with Primary Dysmenorrhea Among Young Female Students

Variables Dysmenorrhea COR (95% CI) AOR (95% CI)
Cases No. (%) Controls No. (%) Total
Thyme tea ≥once/day 4 (4.7) 23 (13.8) 27 (10.7) 0.286 (0.095–0.862) 0.415 (0.087–1.972)
<once/days (rarely/week) 15 (17.4) 33 (19.9) 48 (19.1) 0.746 (0.377–1.476) 0.291 (0.097–0.873)*
Never 67 (77.9) 110 (66.3) 177 (70.2) 1 1
Coffee >once/day 26 (30.2) 60 (36.1) 86 (34.1) 0.693 (0.378–1.272) 0.474 (0.195–1.152)
Once/day 40 (46.5) 64 (38.6) 104 (41.3) 1 1
<once/days (rarely/week) 12 (14.0) 28 (16.9) 40 (16.9) 0.686 (0.313–1.501) 0.136 (0.033–0.554)*
Never 8 (9.3) 14 (8.4) 22 (8.7) 0.914 (0.352–2.374) 0.124 (0.021–0.727)*
DDS <5 food groups 56 (65.1) 89 (53.6) 145 (57.5) 1.615 (0.943–2.767) 1.937 (0.879–4.269)
≥5 food groups 30 (34.9) 77 (46.4) 107 (42.5) 1 1
Meal frequency <3 meal/day 4 (4.6) 8 (4.8) 12 (4.8) 0.769 (0.220–2.685) 1.315 (0.625–6.532)
3 meals/day 55 (64.0) 83 (50.0) 138 (54.8) 1
>3meal/day 27 (31.4) 75 (45.2) 102 (40.4) 0.556 (0.315–0.981) 0.327 (0.140–0.766)*
Frequency of dairy consumption ≥once/day 4 (4.7) 10 (6.0) 14 (5.6) 0.631 (0.191–2.089) 1.195 (0.192–7.437)
Rarely/week 11 (12.8) 44 (26.5) 55 (21.8) 0.394 (0.191–0.814) 0.518 (0.172–1.557)
Never 71 (82.6) 112 (67.5) 183 (72.6) 1 1
Frequency of vegetable or fruit consumption Rarely/week 42 (48.9) 77 (46.4) 119 (47.2) 0.739 (0.370–1.476) 0.918 (0.366–2.306)
≥once/day 21 (24.4) 60 (36.1) 81 (32.1) 0.441 (0.211–0.924) 0.321 (0.105–0.981)*
Never 23 (26.7) 29 (17.5) 52 (20.7) 1 1
BMI Normal 62 (72.1) 108 (65.1) 170 (67.5) 1 1
Underweight 24 (27.9) 58 (34.9) 80 (32.5) 0.721 (0.408–1.273) 1.158 (0.451–2.977)
Age 86 (34.1%) 166 (65.9%) 252 (100%) 1.124 (0.937–1.348) 1.665 (1.441–8.328)*
Age at menarche 13–14 years 64 (74.4) 90 (54.2) 154 (61.1) 1 1
≤12 years 10 (11.6) 12 (7.2) 22 (8.7) 1.172 (0.477–2.878) 1.729 (0.431–6.931)
≥15 years 12 (14.0) 64 (38.6) 76 (30.2) 0.264 (0.132–0.528) 0.091 (0.025–0.334)*
Post-menarche duration ≤2 years 44 (51.2) 134 (80.7) 178 (70.6) 1 1
>2 years 42 (48.8) 32 (19.3) 74 (29.4) 3.997 (2.255–7.084) 1.892 (0.511–7.013)
Residence Rural 42 (48.8) 68 (41.0) 110 (43.7) 1.376 (0.815–2.323) 3.464 (1.441–8.328)*
Urban 44 (51.2) 98 (59.0) 142 (56.3) 1 1

Note: *Significantly associated variables.

Abbreviations: DDS, Diet Diversity Score; BMI, body mass index.