Table 1. Characteristics at baseline with LC outcomes across soft drink consumption types.
| Variables | Soft drink consumption types | |||
| None
( N=8643) |
Regular only ( N=37019) | Diet only
( N=35557) |
Both
( N=15914) |
|
| LC: lung cancer; BMI: body mass index; SD: standard deviation. | ||||
| LC cases ( n [%]) | ||||
| No | 8470 (98.0) | 36362 (98.2) | 35070 (98.6) | 15714 (98.7) |
| Yes | 173 (2.0) | 657 (1.8) | 487 (1.4) | 200 (1.3) |
| LC type ( n [%]) | ||||
| Non-small cell | 147 (1.7) | 566 (1.5) | 415 (1.2) | 175 (1.1) |
| Small cell | 26 (0.3) | 91 (0.2) | 72 (0.2) | 25 (0.2) |
| Missing | 8470 (98.0) | 36362 (98.2) | 35070 (98.6) | 15714 (98.7) |
| Age (years, mean [SD]) | 64.01 (5.41) | 62.47 (5.33) | 61.82 (5.10) | 62.69 (5.28) |
| Sex ( n [%]) | ||||
| Male | 5382 (62.3) | 15916 (43.0) | 21623 (60.8) | 7093 (44.6) |
| Female | 3261 (37.7) | 21103 (57.0) | 13934 (39.2) | 8821 (55.4) |
| Race ( n [%]) | ||||
| White | 7841 (90.7) | 33097 (89.4) | 33755 (94.9) | 14383 (90.4) |
| Black | 175 (2.0) | 1651 (4.5) | 522 (1.5) | 472 (3.0) |
| Hispanic | 137 (1.6) | 584 (1.6) | 372 (1.0) | 212 (1.3) |
| Asian | 424 (4.9) | 1445 (3.9) | 740 (2.1) | 719 (4.5) |
| Others | 66 (0.8) | 242 (0.7) | 168 (0.5) | 128 (0.8) |
| BMI (kg/m 2, n [%]) | ||||
| Underweight (0–18.5) | 152 (1.8) | 275 (0.7) | 150 (0.4) | 63 (0.4) |
| Normal (18.5–25) | 4027 (46.6) | 13783 (37.2) | 10503 (29.5) | 4472 (28.1) |
| Overweight (25–30) | 3076 (35.6) | 15892 (42.9) | 15082 (42.4) | 7326 (46.0) |
| Obesity (≥30) | 1258 (14.6) | 6586 (17.8) | 9387 (26.4) | 3839 (24.1) |
| Missing | 130 (1.5) | 483 (1.3) | 435 (1.2) | 214 (1.3) |
| Education ( n [%]) | ||||
| Less than 12 years | 2265 (26.2) | 11439 (30.9) | 9660 (27.2) | 4479 (28.1) |
| Post high school training other than college | 1069 (12.4) | 4936 (13.3) | 4381 (12.3) | 2074 (13.0) |
| College and above | 5297 (61.3) | 20568 (55.6) | 21445 (60.3) | 9327 (58.6) |
| Missing | 12 (0.1) | 76 (0.2) | 71 (0.2) | 34 (0.2) |
| Smoking status ( n [%]) | ||||
| Never | 4180 (48.4) | 18277 (49.4) | 16135 (45.4) | 8018 (50.4) |
| Ever | 814 (9.4) | 4599 (12.4) | 2473 (7.0) | 1102 (6.9) |
| Current | 3646 (42.2) | 14135 (38.2) | 16943 (47.7) | 6791 (42.7) |
| Missing | 3 (0.0) | 8 (0.0) | 6 (0.0) | 3 (0.0) |
| Family history of LC ( n [%]) | ||||
| No | 7521 (87.0) | 31978 (86.4) | 30697 (86.3) | 13836 (86.9) |
| Yes | 871 (10.1) | 3761 (10.2) | 3855 (10.8) | 1563 (9.8) |
| Possibly | 199 (2.3) | 1009 (2.7) | 712 (2.0) | 382 (2.4) |
| Missing | 52 (0.6) | 271 (0.7) | 293 (0.8) | 133 (0.8) |