Table 1

Characteristics of study participants split by Ethnolanguage group

Total
N=7547
White British–English
N=3079
South Asian–English
N=2145
South Asian–Urdu or Mirpuri
N=1262
Other ethnic groups–English
N=1061
Depression symptoms
 No5017 (66.5)2270 (73.7)1136 (53.0)1026 (81.3)585 (55.0)
 Yes2530 (33.5)809 (26.3)1009 (47.0)236 (18.7)476 (44.9)
NDVI (m)
 1000.45 (0.11)0.50 (0.09)0.41 (0.11)0.39 (0.10)0.45 (0.11)
 3000.48 (0.10)0.53 (0.09)0.44 (0.10)0.42 (0.09)0.47 (0.10)
 5000.49 (0.10)0.54 (0.09)0.45 (0.09)0.44 (0.08)0.48 (0.10)
Least green quintile (100 m buffer, mean NDVI 0.28)1457 (19.3)151 (4.9)651 (30.4)471 (37.3)184 (17.3)
Most green quintile (100 m buffer, mean NDVI 0.60)1541 (20.4)978 (30.1)290 (13.5)108 (8.6)215 (20.3)
Access to green space within 300 m?
 No1457 (19.2)350 (11.4)550 (25.6)385 (30.5)166 (15.7)
 Yes6092 (80.7)2727 (88.6)1594 (74.3)877 (69.5)894 (84.3)
 Missing4 (0.1)2 (0.1)1 (0.1)01 (0.1)
Demographic variables
Maternal age (years)
 <21862 (11.4)549 (17.8)154 (7.18)55 (4.4)104 (9.8)
 21–345782 (76.6)2154 (70.0)1766 (82.3)1046 (82.9)816 (76.9)
 ≥35903 (12.0)376 (12.2)225 (10.5)161 (12.8)141 (13.3)
Parity
 03016 (40.0)1432 (46.5)728 (33.9)355 (28.1)501 (47.2)
 1–23411 (45.2)1362 (44.2)1001 (46.7)589 (46.7)459 (43.3)
 ≥31120 (14.8)285 (9.3)416 (19.4)318 (25.2)101 (9.5)
Married and living with partner4904 (65.0)983 (31.9)1950 (90.9)1213 (96.1)758 (71.4)
Not married and living with partner1376 (18.2)1227 (39.9)12 (0.6)2 (0.2)135 (12.7)
Not living with partner1267 (16.8)869 (28.2)183 (8.5)47 (3.7)168 (15.8)
Socioeconomic status
Maternal Education
 Low4436 (58.8)1940 (63.0)1098 (51.2)922 (73.0)476 (44.9)
 High3111 (41.2)1139 (37.0)1047 (48.9)340 (26.9)585 (55.1)
Subjective poverty
 Struggling financially2370 (31.4)1021 (33.2)590 (27.5)454 (36.0)305 (28.7)
 Not struggling financially5177 (68.6)2058 (66.8)1555 (72.5)808 (64.0)756 (71.3)
Household size: tertiles of household size within four group ethnic categorisations
 Bottom tertile1414 (18.7)105 (3.4)658 (30.7)298 (23.6)353 (33.3)
 Middle tertile2532 (33.6)1057 (34.3)764 (35.6)397 (31.5)314 (29.6)
 Top tertile3601 (47.7)1917 (62.3)723 (33.7)567 (44.9)394 (37.1)
Index of multiple deprivation
 Bottom national quintile5373 (65.9)1573 (51.1)1643 (76.6)1066 (84.5)691 (65.1)
Health behaviours
Alcohol use: drank alcohol during pregnancy or 3 months before
 Yes2380 (31.5)2068 (67.2)9 (0.4)1 (0.1)302 (28.5)
 No5167 (68.5)1011 (32.8)2136 (99.6)1261 (99.9)759 (71.5)
Smoking during pregnancy
 Yes1348 (17.9)1101 (35.8)117 (5.5)10 (0.8)120 (11.3)
 No6199 (82.1)1978 (64.2)2028 (94.5)1252 (99.2)941 (88.7)
Physical activity
 Inactive4425 (58.6)1353 (43.9)1381 (64.4)1201 (95.2)490 (46.2)
 Moderately inactive1641 (21.7)810 (26.3)485 (22.6)41 (3.3)28.8 (305)
 Moderately active1153 (15.3)703 (22.8)222 (10.3)18 (1.4)210 (19.8)
 Active328 (4.4)213 (6.9)56 (2.7)2 (0.2)56 (5.3)
  • N and % reported in parentheses for categorical variables, mean and SD in parentheses reported for continuous NDVI variables.

  • NDVI, Normalised Difference Vegetation Index.