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. Author manuscript; available in PMC: 2017 Nov 11.
Published in final edited form as: J Perinatol. 2017 May 11;37(8):911–921. doi: 10.1038/jp.2017.67

Table 1.

Maternal and neonatal characteristics among enrolled infants1/

Characteristic2/ Bhubaneswar (N=384) Rourkela (N=458) Overall (N=842)

Place of residence**
Village 334 (87%) 92 (20%) 426 (51%)
Tribal village 0 366 (80%) 366 (43%)
Slum 50 (13%) 0 50 (6%)

Age (years)
Median (p25–p75) 25 (22–27) 25 (22–28) 25 (22–28)

Education—mother**
No formal schooling 107/374 (29%) 238/413 (58%) 345/787 (44%)
Less than high school 174/374 (47%) 121/413 (29%) 295/787 (37%)
High school completed3/ 56/374 (15%) 45/413 (11%) 101/787 (13%)
Beyond high school 37/374 (10%) 9/413 (2%) 46/787 (6%)

Education—father**
No formal schooling 61/367 (17%) 146/418 (35%) 207/785 (26%)
Less than high school 165/367 (45%) 171/418 (41%) 336/785 (43%)
High school completed3/ 80/367 (22%) 81/418 (19%) 161/785 (21%)
Beyond high school 61/367 (17%) 20/418 (5%) 81/785 (10%)

Occupation—mother4/ **
None/housewife 350 (91%) 441/456 (97%) 791/840 (94%)
Professional/executive 2 (<1%) 7/456 (2%) 9/840 (1%)
Business 1 (<1%) 0 1/840 (<1%)
Retail trader 0 0 0
Vocational work 7 (2%) 0 7/840 (1%)
Technical work 0 0 0
Clerk/vendor 1 (<1%) 1/456 (<1%) 2/840 (<1%)
Peon 1 (<1%) 1/456 (<1%) 2/840 (<1%)
Manual labor 15 (4%) 5/456 (1%) 20/840 (2%)
Farm labor 7 (2%) 1/456 (<1%) 8/840 (1%)

Occupation—father4/ **
None 1/383 (<1%) 3/453 (1%) 4/836 (<1%)
Professional/executive 11/383 (3%) 7/453 (2%) 18/836 (2%)
Business 61/383 (16%) 5/453 (1%) 66/836 (8%)
Retail trader 5/383 (1%) 4/453 (1%) 9/836 (1%)
Vocational work 73/383 (19%) 34/453 (8%) 107/836 (13%)
Technical work 35/383 (9%) 19/453 (4%) 54/836 (6%)
Clerk/vendor 11/383 (3%) 3/453 (1%) 14/836 (2%)
Peon 2/383 (<1%) 0 2/836 (<1%)
Manual labor 117/383 (31%) 192/453 (42%) 309/836 (37%)
Farm labor 67/383 (17%) 186/453 (41%) 253/835 (30%)

Place of delivery**
Home 167 (43%) 379 (83%) 546 (65%)
Study hospital 95 (25%) 8 (2%) 103 (12%)
Non-study hospital 122 (32%) 71 (15%) 193 (23%)

Interval between rupture of membranes and delivery**
<12 hrs 268/372 (72%) 405/443 (91%) 673/815 (83%)
12–24 hrs 77/372 (21%) 25/443 (6%) 102/815 (12%)
>24 hrs 27/372 (7%) 13/443 (3%) 40/815 (5%)

C-section delivery 17 (4%) 9 (2%) 26 (3%)

Preterm 51/383 (13%) 82 (18%) 133/841 (16%)

Male 238 (62%) 244 (53%) 482 (57%)

Breastfeeding initiated*
 0–24 hrs 277/382 (73%) 313/387 (81%) 590/769 (77%)
 >24 hrs 95/382 (25%) 73/387 (19%) 168/769 (22%)
 Never 10/382 (3%) 1/387 (<1%) 11/769 (1%)

Infant age at enrollment (days)
 0–3 14 (4%) 24 (5%) 38 (5%)
 4–7 41 (11%) 62 (14%) 103 (12%)
 8–28 170 (44%) 206 (45%) 376 (45%)
 29–60 159 (41%) 166 (36%) 325 (39%)

Admission weight (grams)
 Median (p25–p75) 2797 (2250–3495) 2930 (2400–3440) 2890 (2340–3455)
 By category*
 < 1250 14 (4%) 10 (2%) 24 (3%)
 1250–1499 19 (5%) 5 (1%) 24 (3%)
 1500–1999 35 (9%) 25 (5%) 60 (7%)
 2000–2499 73 (19%) 91 (20%) 164 (19%)
 ≥ 2500 243 (63%) 327 (71%) 570 (68%)
1/

n (% of column N) shown unless otherwise noted. Denominator Ns are shown when they differ from total Ns.

2/

Information is missing for mother’s age: 2, mother’s education: 55, father’s education: 57, mother’s occupation: 2, father’s occupation: 6, timing of rupture of membranes: 27, preterm: 1, time breastfeeding initiated: 73.

3/

Schooling completed through 10 years.

4/

Occupation codes were derived from databases in use in some Indian hospitals with definitions as follows: professional—lawyer, physician, nurse, teacher, etc.; executive—businessperson in a leadership role; business—businessperson in a non-leadership role; retail trader—shopkeeper businessman; vocational work—security guard, hatcheck personnel, telephone operator, artisan, assembly line personnel, etc.; technical work—computer-related jobs, electrician, plumber, etc.; clerk—secretary, data entry personnel, etc.; vendor—sales representative, grocery personnel, etc.; peon—individuals working at very low-level repetitive tasks such as messengers, sweepers, houseboys, etc.; manual labor—hard labor such as roadwork, lifting, construction, etc.; farm labor—includes all agricultural workers.

**

p ≤ 0.001,

*

p ≤ 0.01,

p ≤ 0.05 for a difference in the proportions by site, by chi-square, Fisher’s exact, or Wilcoxon test.