Table 4: Ages for Colorado Parents 1984 - 2004. (Mean and standard deviation)
yr |
All Births Mother |
All Births Father |
Twin Births Mother |
Twin Births Father |
CTR Twin Births Mother |
CTR Twin Births Father |
1984 |
26.1 (5.3) |
29.1 (5.7) |
26.9 (5.0) |
29.7 (5.3) |
27.9 (4.6) |
30.3 (4.9) |
1985 |
26.2 (5.3) |
29.3 (5.7) |
27.7 (5.2) |
30.5 (5.5) |
29.0 (4.3) |
31.3 (5.4) |
1986 |
26.4 (5.4) |
29.6 (5.8) |
28.0 (5.3) |
30.7 (5.8) |
29.1 (4.9) |
30.7 (5.1) |
1987 |
26.6 (5.5) |
29.8 (5.8) |
27.6 (5.0) |
30.2 (5.2) |
28.8 (4.3) |
30.9 (4.9) |
1988 |
26.8 (5.6) |
30.1 (5.9) |
27.9 (5.6) |
30.8 (6.0) |
29.8 (4.8) |
31.7 (5.5) |
1989 |
26.9 (5.7) |
30.2 (6.0) |
28.0 (5.5) |
31.1 (6.0) |
30.1 (4.9) |
32.3 (5.2) |
1990 |
26.9 (5.8) |
30.3 (6.1) |
28.7 (5.6) |
31.7 (6.1) |
30.5 (4.5) |
32.4 (5.6) |
1991 |
26.9 (5.9) |
30.3 (6.2) |
28.5 (5.8) |
31.4 (6.4) |
30.2 (5.2) |
33.2 (6.0) |
1992 |
27.0 (6.0) |
30.4 (6.3) |
28.8 (5.8) |
31.9 (6.1) |
30.4 (5.1) |
33.7 (5.4) |
1993 |
27.1 (6.1) |
30.4 (6.4) |
28.7 (5.8) |
31.5 (6.5) |
29.6 (5.4) |
32.3 (6.2) |
1994 |
27.2 (6.2) |
30.1 (6.6) |
29.5 (6.1) |
32.1 (6.8) |
30.7 (5.7) |
33.5 (6.3) |
1995 |
27.2 (6.2) |
30.1 (6.7) |
29.6 (6.0) |
32.1 (6.6) |
30.8 (5.5) |
32.7 (6.4) |
1996 |
27.4 (6.2) |
30.2 (6.8) |
30.1 (6.2) |
32.8 (7.0) |
31.7 (6.1) |
33.6 (6.4) |
1997 |
27.3 (6.3) |
30.1 (6.8) |
29.8 (6.6) |
32.5 (7.4) |
31.8 (5.9) |
34.2 (7.2) |
1998 |
27.3 (6.3) |
30.1 (6.8) |
30.2 (6.2) |
32.5 (6.6) |
31.9 (5.4) |
33.4 (6.1) |
1999 |
27.3 (6.3) |
30.0 (6.8) |
29.8 (6.3) |
32.2 (6.8) |
31.0 (5.5) |
33.2 (6.3) |
2000 |
27.3 (6.2) |
30.0 (6.8) |
30.0 (6.6) |
32.7 (7.2) |
31.8 (5.7) |
34.0 (6.4) |
2001 |
27.4 (6.2) |
30.1 (6.8) |
30.1 (6.4) |
32.6 (7.0) |
31.5 (5.9) |
33.6 (6.7) |
2002 |
27.4 (6.2) |
30.1 (6.8) |
30.2 (6.7) |
32.8 (7.2) |
31.3 (6.2) |
33.6 (6.5) |
2003 |
27.6 (6.2) |
30.3 (6.7) |
30.1 (6.6) |
32.4 (7.3) |
31.4 (6.1) |
33.1 (7.3) |
2004 |
27.7 (6.2) |
30.4 (6.8) |
30.6 (6.4) |
33.1 (7.0) |
32.4 (5.5) |
34.1 (6.1) |