Table 1 Clinical and demographic characteristicsa
Total NVery low birth weight (<1500 g) n=931Low birth weight (1500–2490 g) n=7320Normal birth weight (≥2500 g) n=75 294P
Age, years: mean (s.d.)83 54556.70 (8.07)56.56 (8.00)55.33 (8.24)<0.001
Male, n (%)83 545327 (35.1)2103 (28.7)31 090 (41.3)<0.001
Black and minority ethnic, n (%)83 32448 (5.2)427 (5.9)3278 (4.4)<0.001
Neuroticism score, mean (s.d.)71 0064.47 (3.26)4.18 (3.23)3.94 (3.18)<0.001
Townsend deprivation score, mean (s.d.)83 408−0.67 (3.16)−1.18 (2.91)−1.38 (2.81)<0.001
Depression, n (%)83 545288 (31.2)1897 (26.1)17 650 (23.6)<0.001
Bipolar disorder, n (%)83 54516 (1.7)87 (1.2)791 (1.1)0.085
Maternal smoking, n (%)74 966326 (40.5)2317 (35.8)18 687 (27.6)<0.001
Maternal depression, n (%)80 19774 (8.6)498 (7.1)4578 (6.3)0.001
Hypertension, n (%)83 545327 (35.1)2115 (28.9)16 984 (22.6)<0.001
Cardiac disease, n (%)83 5456 (0.6)22 (0.3)205 (0.3)0.095
Stroke, n (%)83 54525 (2.7)89 (1.2)732 (1.0)<0.001
Peripheral vascular disease, n (%)83 5451 (0.1)6 (0.1)40 (0.1)0.490
Type 2 diabetes, n (%)83 54518 (1.9)60 (0.8)397 (0.5)<0.001
COPD history, n (%)83 5451 (0.1)27 (0.4)202 (0.3)0.180
Osteoporosis, n (%)83 54526 (2.8)168 (2.3)1120 (1.5)<0.001
  • COPD, chronic obstructive pulmonary disease.

  • a Note that total N values vary due to missing data in some instances.