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Table 4 Vitamin B-12 and folates status before and after intervention, by group and sex

From: Effectiveness of the National Program of Complementary Feeding for older adults in Chile on vitamin B12 status in older adults; secondary outcome analysis from the CENEX Study (ISRCTN48153354)

  ME WOMEN TOTAL
  PACAM Control PACAM Control PACAM Control
  % (CI 95%) % (CI 95%) % (CI 95%) % (CI 95%) % (CI 95%) % (CI 95%)
  Baseline* 24 months** Baseline* 24 months** Baseline* 24 months** Baseline* 24 months** Baseline* 24 months** Baseline* 24 months**
Vitamin B12 (pmol / L )            
n 52 40 51 40 134 115 114 86 186 155 165 126
< 148 13.5 7.5 7.8 7.5 9.0 7.8 7.0 9.3 10.2 7.7 7.3 8.7
  (5.1-31.1) (1.8-26.5) (2.9-19.6) (2.6-19.8) (4.8-15.9) (2.9-19.3) (3.2-14.5) (4.2-19.2) (5.9-17.2) (3.4-16.8) (3.6-14.0) (4.5-16.2)
148-221 7.7 15.0 9.8 17.5 6.0 13.9 5.3 16.3 6.4 14.2 6.7 16.7
  (4.1-14.0) (9.3-23.4) (4.3-20.8) (9.3-30.4) (3.4-10.2) (9.0-20.8) (3.0-8.9) (9.2-27.2) (5.1-8.1) (9.8-20.2) (3.6-12.0) (11.0-24.4)
222-680 78.8 77.5 82.3 72.5 85.1 72.2 87.7 65.1 83.3 73.5 86.1 67.5
  (64.7-88.4) (59.5-89.0) (69.2-90.7) (66.9-77.5) (78.5-89.9) (59.6-82.0) (80.6-92.4) (49.4-78.1) (76.0-88.8) (62.5-82.3) (79.4-90.8) (57.0-76.4)
>680**   0 (0)   2.5   6.1   9.3   4.5 7.1  
     (0.3-16.8)   (2.9-12.1)   (4.8-17.1)   (2.3-8.6) (3.7-13.3)  
Folates (nmol / L )            
n 64 48 66 52 180 157 179 137 244 205 245 189
< 7 0 0 0 0 0 0 0 0 0 0 0 0
7-46 79.7 91.7 89.4 90.4 77.2 92.4 77.6 95.6 77.9 92.2 80.8 94.2
  (67.8-88.7) (80.0-97.7) (79.4-95.6) (79.0-96.8) (70.4-83.1) (87.0-96.0) (70.8-83.5) (90.7-98.4) (72.1-82.9) (87.6-95.4) (75.3-85.5) (89.8-97.0)
>46 20.3 8.3 10.6 9.6 22.8 7.6 22.3 4.4 22.1 7.8 19.2 5.8
  (11.3-32.2) (2.3-20.0) (4.4-20.6) (3.2-21.0) (16.9-29.6) (4.0-13.0) (16.5-29.2) (1.6-9.3) (17.1-27.9) (4.5-12.4) (14.4-24.7) (2.9-10.1)
  1. B12* Test χ2: Men: p = 0.69; Women: p = 0.80; Total p = 0.72. **Test χ2: Men: p = 0.61; Women: p = 0.76; Total p = 0.59. Folates* Test χ2: Men: p = 0.21; Women: p = 0.96; Total p = 0.72. **Test χ2: Men: p = 0.85; Women: p = 0.25; Total p = 0.55; **High Level excluded analysis baseline.