Number and percentage of low birth weight (< 2500 g) and very low birth weight (< 1500 g) singleton babies in the lower and upper Townsend quartiles (as a percentage of singleton births in those quartiles)
| Low birth weight | Very low birth weight | |||||
|---|---|---|---|---|---|---|
| Year | All singletons | Lower quartile | Upper quartile | All singletons | Lower quartile | Upper quartile |
| 1990 | 216 (5.44) | 46 (4.57) | 64 (6.57) | 21 (0.53) | 6 (0.60) | 6 (0.62) |
| 1991 | 196 (5.01) | 50 (5.22) | 58 (6.01) | 18 (0.46) | 4 (0.42) | 4 (0.41) |
| 1992 | 155 (4.32) | 33 (3.68) | 38 (4.40) | 15 (0.42) | 2 (0.22) | 4 (0.46) |
| 1993 | 192 (5.34) | 32 (3.88) | 68 (7.56) | 18 (0.50) | 2 (0.24) | 11 (1.22) |
| 1994 | 138 (3.99) | 24 (2.80) | 56 (6.43) | 19 (0.55) | 1 (0.12) | 8 (0.92) |
| 1995 | 177 (5.29) | 29 (3.72) | 61 (7.20) | 20 (0.60) | 0 (0.00) | 7 (0.83) |
| 1996 | 171 (5.26) | 28 (3.79) | 71 (8.22) | 14 (0.43) | 3 (0.41) | 3 (0.35) |
| 1997 | 165 (5.05) | 26 (3.70) | 50 (5.90) | 19 (0.58) | 1 (0.14) | 8 (0.94) |
| 1998 | 171 (5.31) | 24 (3.35) | 70 (8.04) | 18 (0.56) | 3 (0.42) | 7 (0.80) |
| 1999 | 161 (5.21) | 17 (2.55) | 54 (6.39) | 15 (0.49) | 0 (0.00) | 6 (0.71) |
| 2000 | 126 (4.29) | 24 (3.93) | 44 (4.84) | 20 (0.68) | 3 (0.49) | 6 (0.66) |
| 2001 | 144 (5.05) | 19 (3.46) | 58 (6.95) | 25 (0.88) | 3 (0.55) | 11 (1.32) |