Table 3 Intention to treat analysis of outcomes, estimated means and 95% confidence intervals at baseline, 8 weeks and 16 weeks

 Current

3.1 (2.5–3.7)

1.8 (1.2–2.4)*

1.7 (1.1–2.4)*

1.0 (0.5–1.4)

 Worst last 2 weeks

6.5 (5.8–7.1)

3.8 (3.1–4.5)**

3.0 (2.3–3.7)**

2.1 (1.6–2.7)

 Worst last 4 weeks

6.7 (6.1–7.4)

4.2 (3.5–4.9)**

3.5 (2.8–4.2)**

2.1 (1.5–2.6)

 ODI (0–50)

9.2 (7.9–10.5)

7.0 (5.7–8.3)*

5.3 (3.9–6.7)*

1.2 (0.8–1.7)

 PSEQ (0–60)

48.8 (46.2–51.4)

54.3 (51.7–57.3)*

56.5 (53.8–59.2)*

1.2 (0.9–1.6)

 Squat (kg)

67.8 (58.8–76.8)

84.9 (75.9–93.9)**

103.2 (94.2–112.3)**

1.7 (1.6–1.9)

 Bench – press (kg)

56.9 (47.6–66.2)

64.4 (55.1–73.7)**

74 (64.7–83.4)**

0.8 (0.7–0.9)

 Deadlift (kg)

77.6 (68.5–86.7)

93.6 (84.4–102.7)**

105.3 (96.7–114.6)**

1.3 (1.1–1.6)

 Pendlay row (kg)

49.9 (43.2–56.7)

55.8 (49.1–62.6)**

62.7 (55.9–69.4)**

0.8 (0.7–0.9)