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. 2020 Mar 12;11:96. doi: 10.3389/fpsyt.2020.00096

Table 3.

Parent measurements at start and end of the few-foods diet (last observation carried forward) in groups of children with and without attention-deficit/hyperactivity disorder (ADHD)–medication (Table 3A) and with and without some elimination diet (Table 3B) at start.

Start End Mean
difference
start-end
(95% CI)
p value1 %SR Cohen’s d Start End Mean difference
start-end (95% CI)
p value1 %SR Cohen’s d
Table 3A Children with ADHD-medication at start Children without ADHD-medication at start
Abbreviated Conners’s scale (n=27*) (n=30)
Score (0-30) 18.1
(6.1)
13.3
(7.8)
4.8
(2.2–7.4)
<0.001 26.5 0.69 19.9
(5.1)
9.6
(7.5)
10.3
(7.4–13.1)
<0.0001 51.8 1.61
ADHD rating scale (n=27*) (n=30*)
Parent total score (0–54) 36.3
(10.1)
23.9
(12.9)
12.4
(7.2–17.6)
<0.0001 34.2 1.07 35.7
(9.4)
18.3
(12.1)
17.4
(12.1–22.7)
<0.0001 48.7 1.61
Parent inattention score (0–27) 21.1
(4.9)
14.3
(8.0)
6.8
(3.9–9.7)
<0.001 32.2 1.03 18.7
(6.5)
10.1
(6.4)
8.6
(5.9–11.3)
<0.0001 46.0 1.33
Parent hyperactivity and
impulsivity score (0–27)
15.2
(6.4)
9.6
(6.0)
5.6
(2.9–8.2)
<0.001 36.8 0.90 16.7
(6.8)
7.9
(7.1)
8.8
(5.8–11.8)
<0.0001 52.7 1.27
Structured psychiatric interview (n=11**) (n=18)
Parent ODD score (0–8) 5.2
(1.4)
3.2
(2.2)
2.0
(0.4–3.6)
<0.05 38.5 1.08 5.2
(1.0)
1.7
(2.0)
3.6
(2.7–4.4)
<0.0001 67.3 2.21
Table 3B Children with some elimination diet at start Children without some elimination diet at start
Abbreviated Conners’ scale (n=15) (n=42)
Score (0-30) 18.1
(6.3)
9.3
(7.3)
8.8
(4.6–13.0)
<0.001 48.6 1.29 19.4
(5.4)
12.1
(8.0)
7.3
(4.9–9.6)
<0.0001 37.6 1.07
ADHD rating scale (n=15) (n=42)
Parent total score (0–54) 33.3
(10.3)
15.9
(10.8)
17.4
(10.1–24.7)
<0.001 52.3 1.65 36.9
(9.4)
22.7
(12.9)
14.2
(9.8–18.6)
<0.0001 38.5 1.26
Parent inattention score
(0–27)
17.9
(6.9)
8.7
(5.8)
9.3
(5.6–13.0)
<0.001 51.4 1.44 20.5
(5.3)
13.4
(7.7)
7.2
(4.8–9.5)
<0.0001 34.6 1.07
Parent hyperactivity/
impulsivity score (0–27)
14.9
(7.0)
6.8
(6.5)
8.1
(3.9–12.4)
<0.01 54.4 1.20 16.4
(6.5)
9.4
(6.5)
7.0
(4.6–9.3)
<0.0001 42.7 1.08
Structured psychiatric interview (n=8) (n=21)
Parent ODD score (0–8) 5.1
(0.8)
1.8
(2.2)
3.4
(1.6–5.2)
<0.01 64.7 1.99 5.2
(1.3)
2.4
(2.2)
2.8
(1.9–3.7)
<0.0001 53.8 1.55

Data are mean (SD). ADHD, attention-deficit/hyperactivity disorder; ODD, oppositional defiant disorder; SR, scale reduction. *21of 27 and **7 of 11 children ((78% and 64% respectively) without medication at end. 1paired t-test.