The effect of an acute aspirin challenge on intestinal permeability in healthy adults with and without prophylactic probiotic consumption: a double-blind, placebo-controlled, randomized trial

Table 2 Perceived stress, dietary fiber intake, and physical activity during the 3-week intervention period

¹Variables were analyzed by using a paired t-test
^aPerceived Stress Scale (PSS) is the sum of a 10-item questionnaire that assesses the frequency of stressful events over the previous month on a scale of never (0) to very often (4), for each of the 10 questions for a total score of 40 The PSS was administered at visits 4 and 8 to assess stress over each intervention period
^bMean ± SEM
^cDietary fiber intake over the past week was estimated using the Block Fiber Screener [47]. The fiber screener was administered each week during each intervention. Scores were averaged across all 3 weeks for each intervention
^dThe International Physical Activity Question (IPAQ) asks participants to report the time over the previous week that they engaged in various activities. Data were transcribed to metabolic equivalents (MET) in minutes. The IPAQ was administered each week during each intervention. Scores were averaged across all 3 weeks for each intervention

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