Table 3 Baseline characteristics after propensity score matching analysis
From: Is folic acid associated with lung cancer development? A cross-sectional study in NHANES
Variables | Total, N (%) | Non-LC, N (%) | LC, N (%) | P value |
|---|---|---|---|---|
Total | 201 | 134 (66.7) | 67 (33.3) | Â |
Age (years) | Â | Â | Â | 1.000 |
 <60 | 45 (22.4) | 30 (22.4) | 15 (22.4) |  |
 ≥60 | 156 (77.6) | 104 (77.6) | 52 (77.6) |  |
Sex | Â | Â | Â | 0.542 |
 Male | 120 (59.7) | 82 (61.2) | 38 (56.7) |  |
 Female | 81 (40.3) | 52 (38.8) | 29 (43.3) |  |
Race | Â | Â | Â | 0.904 |
 Non-Hispanic white | 130 (64.7) | 88 (65.7) | 42 (62.7) |  |
 Non-Hispanic black | 36 (17.9) | 23 (17.2) | 13 (19.4) |  |
 Other | 35 (17.4) | 23 (17.2) | 12 (17.9) |  |
Marital status | Â | Â | Â | 0.777 |
 Married | 96 (47.8) | 66 (49.3) | 30 (44.8) |  |
 Unmarried | 22 (10.9) | 15 (11.2) | 7 (10.4) |  |
 Other | 83 (41.3) | 53 (39.6) | 30 (44.8) |  |
Education | Â | Â | Â | 0.507 |
 Less than high school | 57 (28.4) | 40 (29.9) | 17 (25.4) |  |
 High school or above | 144 (71.6) | 94 (70.1) | 50 (74.6) |  |
BMI (kg/m2) | Â | Â | Â | 0.469 |
 <25 | 74 (36.8) | 47 (35.1) | 27 (40.3) |  |
 ≥25 | 127 (63.2) | 87 (64.9) | 40 (59.7) |  |
Hypertension | Â | Â | Â | 0.919 |
 Yes | 118 (58.7) | 79 (59.0) | 39 (58.2) |  |
 No | 83 (41.3) | 55 (41.0) | 28 (41.8) |  |
Diabetes | Â | Â | Â | 0.975 |
 Yes | 56 (27.9) | 38 (28.4) | 18 (26.9) |  |
 No | 133 (66.2) | 88 (65.7) | 45 (67.2) |  |
 Borderline | 12 (6.0) | 8 (6.0) | 4 (6.0) |  |
Smoking status | Â | Â | Â | 0.600 |
 ≥100Sticks/lifetime | 183 (91.0) | 123 (91.8) | 60 (89.6) |  |
 < 100 Sticks/lifetime | 18 (9.0) | 11 (8.2) | 7 (10.4) |  |
Alcohol drinks | Â | Â | Â | 0.231 |
 < 14 drinks/past 12 Mos | 102 (50.7) | 72 (53.7) | 30 (44.8) |  |
 Other/unknown | 99 (49.3) | 62 (46.3) | 37 (55.2) |  |
PIR | Â | Â | Â | 0.108 |
 <1 | 46 (22.9) | 32 (23.9) | 14 (20.9) |  |
 1-<4 | 113 (56.2) | 69 (51.5) | 44 (65.7) |  |
 ≥4 | 42 (20.9) | 33 (24.6) | 9 (13.4) |  |