TABLE 1.
Percentage of Selected Characteristics, Major League Baseball Players, 1902–2004
| Characteristics | Percentage |
|---|---|
| Age Group | |
| 20–24 | 4.23 |
| 25–29 | 11.82 |
| 30–34 | 12.70 |
| 35–39 | 11.89 |
| 40–44 | 10.91 |
| 45–49 | 9.91 |
| 50–54 | 8.85 |
| 55–59 | 7.73 |
| 60–64 | 6.58 |
| 65–69 | 5.39 |
| 70–74 | 4.16 |
| 75–79 | 2.94 |
| 80–84 | 1.79 |
| 85+ | 1.11 |
| Period | |
| < 1910 | 0.85 |
| 1910–1919 | 3.98 |
| 1920–1929 | 6.42 |
| 1930–1939 | 8.36 |
| 1940–1949 | 10.13 |
| 1950–1959 | 11.22 |
| 1960–1969 | 11.73 |
| 1970–2004 | 47.31 |
| Cohort | |
| Early Era | 56.19 |
| Golden Era | 23.74 |
| Modern Era | 20.07 |
| Anthropometric Variables | |
| Body Mass Index | |
| Normal (18.5–<25.0) | 58.80 |
| Overweight (25.0–<30.0) | 40.92 |
| Obese Class I (30.0–<35.0) | 0.28 |
| Height | |
| <6 feet | 54.81 |
| ≥ 6 feet | 45.19 |
| Handedness | |
| Right handed | 86.47 |
| Left handed | 13.53 |
| Performance Measures | |
| Career Rating | |
| Negative | 86.03 |
| Positive | 13.97 |
| First-Year Rating | |
| Negative | 77.51 |
| Positive | 22.49 |
| Seasons Played | |
| < 10 years | 76.46 |
| 10+years | 23.54 |
Note: Based on person-years.
Source: Derived from Total Baseball, 8th edition, 2004. 822 Social Science Quarterly