Table 1.
Demographic characteristics of participants according to daily dietary arginine intake.
| Arginine (g) | Arginine/1000 Calories | ||||
|---|---|---|---|---|---|
| Variable | Group | Mean (SE) |
Median (Interquartile Range) |
Mean (SE) |
Median (Interquartile Range) |
| All people | 4.40 (0.05) |
3.8 (2.6-5.5) |
2.03 (0.01) |
1.92 (1.52-2.41) |
|
| Age Group | 18-39 | 4.79 (0.07) |
4.2 (2.8-6.1) |
1.96 (0.02) |
1.85 (1.46-2.34) |
| 40-64 | 4.26* (0.06) |
3.8* (2.7-5.3) |
2.08* (0.02) |
1.98* (1.57-2.46) |
|
| 65+ | 3.50* (0.04) |
3.20* (2.2-4.3) |
2.12* (0.02) |
2.02* (1.59-2.50) |
|
| Gender | Male | 5.39 (0.07) |
4.8 (3.4-6.7) |
2.05 (0.02) |
1.95 (1.54-2.45) |
| Female | 3.50* (0.04) |
3.2* (2.2-4.4) |
2.01* (0.01) |
1.90 (1.50-2.37) |
|
| Race | White | 4.30 (0.06) |
3.8 (2.6-5.4) |
1.97 (0.01) |
1.87 (1.49-2.34) |
| Black | 4.51* (0.06) |
3.9 (2.6-5.7) |
2.13* (0.02) |
2.02* (1.58-2.53) |
|
| Hispanic | 4.66* (0.08) |
4.1* (2.7-5.9) |
2.17* (0.03) |
2.04* (1.66-2.57) |
|
| Other | 5.55* (0.32) |
4.9* (3.3-7.1) |
2.57* (0.09) |
2.39* (1.86-3.01) |
|
| Current Smoker |
Yes | 4.66 (0.09) |
4.0 (2.7-5.9) |
1.96 (0.02) |
1.85 (1.45-2.37) |
| No | 4.29* (0.04) |
3.8* (2.6-5.4) |
2.06* (0.01) |
1.95* (1.55-2.43) |
|
| BMI | <25 | 4.39 (0.07) |
3.8 (2.6-5.5) |
1.98 (0.01) |
1.86 (1.48-2.34) |
| 25.0-29.9 | 4.49 (0.06) |
4.0 (2.7-5.7) |
2.05* (0.02) |
1.95* (1.54-2.43) |
|
| 30+ | 4.29 (0.08) |
3.8 (2.6-5.3) |
2.12* (0.03) |
2.01* (1.58-2.52) |
|
| Diabetes | Yes | 4.10 (0.16) |
3.5 (2.6-5.1) |
2.39 (0.04) |
2.25 (1.80-2.80) |
| No | 4.42 (0.05) |
3.9 (2.6-5.6) |
2.01* (0.01) |
1.91* (1.51-2.39) |
|
| Hypertension | Yes | 4.15 (0.06) |
3.7 (2.5-5.2) |
2.12 (0.02) |
2.01 (1.59-2.53) |
| No | 4.48* (0.06) |
3.9* (2.7-5.6) |
2.00* (0.01) |
1.90* (1.50-2.37) |
|
*
Value is significantly different (p<0.05) from the first group for each variable, using t-test for comparison of means.