Table 2.
Mean Adjusted Interval Change in Waist Circumference (cm (95% CI)) by Diet Soda Intake Category, and Number of Person-Years (PY) of Follow-up Represented in Each Subgroup
| stratum | diet soda intake category: |
difference | p for difference |
p for inter- actions |
|
|---|---|---|---|---|---|
| none | any | ||||
| overall | 0.77 (0.29 to 1.23) |
2.11 (1.45 to 2.76) |
1.34 (0.47 to 2.19) |
< 0.001 | --- |
| PY: | 2405 | 1301 | |||
| men | 0.29 (−0.47 to 1.05) |
2.31 (1.30 to 3.32) |
2.02 (0.74 to 3.30) |
0.002 | 0.154 |
| PY: | 955 | 526 | |||
| women | 1.09 (0.47 to 1.71) |
1.92 (1.05 to 2.79) |
0.83 (−0.27 to 1.93) |
0.139 | |
| PY: | 1450 | 774 | |||
| Mexican- American |
0.76 (0.07 to 1.46) |
1.71 (0.67 to 2.75) |
0.95 (−0.35 to 2.24) |
0.150 | 0.439 |
| PY: | 1299 | 517 | |||
| European- American |
0.80 (0.10 to 1.49) |
2.40 (1.55 to 3.25) |
1.60 (0.49 to 2.71) |
0.005 | |
| PY: | 1106 | 784 | |||
| BMI <25 | 1.70 (0.68 to 2.72) |
1.92 (0.10 to 3.74) |
0.22 (−2.00 to 2.44) |
0.833 | |
| PY: | 623 | 205 | |||
| 25 ≤BMI <30 | 1.19 (0.55 to 1.84) |
2.24 (1.38 to 3.10) |
1.05 (−0.08 to 2.17) |
0.067 | <0.001 1 |
| PY: | 1076 | 575 | |||
| BMI ≥30 | −0.53 (−1.68 to 0.62) |
1.53 (0.19 to 2.87) |
2.06 (0.20 to 3.93) |
0.031 | <0.001 2 |
| PY: | 701 | 512 | |||
| diabetic | −0.93 (−2.45 to 0.60) |
1.24 (−0.21 to 2.68) |
2.17 (−0.01 to 4.33) |
0.051 | 0.641 |
| PY: | 345 | 317 | |||
| non-diabetic | 1.15 (0.66 to 1.64) |
2.30 (1.55 to 3.05) |
1.15 (0.20-2.09) |
0.018 | |
| PY: | 1990 | 954 | |||